Custom Flat-Shoulder PET Shampoo Bottle with Pump 500ml

Custom 500ml Flat-Shoulder PET Shampoo Bottle with Pump

Boyu Packaging’s BY-0450 is a 500ml PET pump bottle designed for shampoo, conditioner, body lotion, shower gel and other daily personal-care products. The flat shoulder creates a clean, architectural silhouette and gives the package a more modern shelf presence than a conventional rounded-shoulder bottle. Custom bottle colors, pump finishes and direct logo decoration are available for OEM and private-label projects.

The lightweight PET body combines visual clarity, impact resistance and cost-efficient shipping. A compatible dispensing pump supports clean one-hand use for bathrooms, salons, hotels and family-size personal-care products.

Core Specifications

Key Features and Buyer Benefits

• Flat-shoulder design: creates a modern, structured profile with a distinctive transition between the body and pump.
• 500ml retail volume: suitable for family-size, salon and frequently used personal-care products.
• Lightweight PET body: lowers transport weight and avoids the breakage risk of glass.
• Custom visual system: bottle color, pump color, metallic accents and logo can be coordinated.
• Convenient dispensing: the pump supports controlled one-hand use in wet bathroom environments.
• Large branding area: the straight body provides useful space for direct printing or labels.

Why a Flat Shoulder?

A flat shoulder changes more than appearance. It gives the bottle a crisp upper line that works well with minimalist, salon and premium personal-care branding. The shape can also make a pump look more integrated with the bottle body. Compared with a Boston-round or sloped-shoulder bottle, it appears more geometric and contemporary.

The shoulder area should still be checked during line trials. Filling nozzles, cap-tightening heads and label placement must have enough clearance. Importers should ask their filling partner to review the approved sample before mass production.

PET Material: Advantages and Limitations

PET is widely used for shampoo and lotion packaging because it is rigid, glossy, lightweight and capable of good transparency. It delivers a cleaner visual finish than many flexible plastics while remaining easier to ship than glass.

Advantages

• Lightweight and impact resistant
• Clear, translucent, opaque and custom-color options
• Good surface for silk-screen printing and labels
• Suitable for many water-based haircare and body-care formulas
• Recyclable where suitable PET collection systems are available

Limitations

• Standard PET may deform at elevated filling temperatures.
• Strong solvents, essential oils, high alcohol content and aggressive formulas require compatibility testing.
• Very dark colors, coatings and complex decorations may affect recyclability.
• The pump normally contains PP and other components, so the complete pack is not automatically mono-material.

Material Comparison for 500ml Personal-Care Bottles

Bottle Color, Pump Finish and Logo Customization

The bottle can be developed in a transparent, translucent, opaque or custom-colored appearance according to the selected PET specification. Pump colors can be coordinated with the bottle or designed as a contrasting detail. Electroplated gold, silver or another metallic-looking pump component can add a more premium effect, subject to component structure and MOQ.

A physical color sample should be used for approval. PET, PP pump parts and electroplated surfaces reflect light differently, so the same color reference can look different across components.

Silk-Screen Printing

Direct screen printing is suitable for brand logos, product names and simple spot-color artwork. It gives a clean label-free appearance. Every color and print position requires production setup and affects cost.

Hot Stamping

Metallic foil can highlight a logo or product name. Large areas, fine lines and artwork close to the shoulder or base require technical review and sample testing.

Electroplated Pump Details

Electroplated decorative components can create a polished metallic effect on the pump. The coating adhesion, color consistency and rub resistance should be approved on a physical sample before production.

Editable AI or vector PDF files are preferred. Fonts should be outlined, and the print area should be confirmed on a dieline or approved bottle sample.

Pump Selection, Sealing and Convenience

A standard lotion pump dispenses liquid directly; it is different from a foam pump, which needs a low-viscosity formula and air-mixing chamber. BY-0450 should be paired with a lotion or shampoo pump unless a separate foam-compatible bottle and pump system has been validated.

Pump selection should consider formula viscosity, desired dose, priming performance, dip-tube size and consumer use. Thick conditioner or hair mask may require a wider internal passage or higher-output pump than a light lotion or shower gel.

Leak resistance depends on the complete assembly:

• Correct bottle neck and pump thread match
• Suitable gasket or internal sealing surface
• Controlled tightening torque during filling
• Correct dip-tube length and cut angle
• Reliable pump lock for storage and shipping
• Filled-product compatibility, inversion and transport testing

Suitable Products and Markets

BY-0450 can be evaluated for:

• Shampoo and conditioner
• Body lotion and hand lotion
• Shower gel and body wash
• Liquid hand soap
• Salon and spa haircare
• Hotel and resort bathroom products
• Family-size and refill-program personal care
• Suitable pet shampoo formulas after compatibility testing

The bottle is intended for haircare brands, cosmetic companies, contract fillers, importers, distributors, salons, hotels and private-label businesses. Buyers can compare more options in Boyu Packaging’s shampoo bottle range, lotion bottle collection and plastic cosmetic bottles.

Manufacturing Process

1. Project review: formula, capacity, bottle color, pump, artwork, quantity and destination are confirmed.
2. Material preparation: PET resin and approved color masterbatch are prepared.
3. Preform and blow moulding: the bottle is formed under controlled production conditions.
4. Surface decoration: screen printing, hot stamping or another approved finish is applied.
5. Pump matching: thread fit, dip tube and dispensing performance are checked.
6. Inspection and packing: approved goods are packed for export or domestic delivery.

Quality Control

Mass production should follow an approved sample and written specification. Typical inspection points include:

• Bottle appearance, color, clarity, contamination and surface defects
• Capacity, empty-bottle weight and key dimensions
• Neck finish, thread quality and pump fit
• Wall distribution, standing stability and deformation
• Print color, position, adhesion and rub resistance
• Pump priming, output consistency, return action and lock function
• Leak testing based on an agreed method
• Carton quantity, protective packing and shipping marks

Water testing can identify obvious assembly issues but cannot replace testing with the commercial formula. The buyer or filling partner should complete compatibility, stability and transport tests under expected storage conditions.

Safety, Environmental Considerations and Reuse

PET is commonly used for cosmetic and personal-care packaging. Material declarations and project-specific documentation can be discussed according to the selected resin and target country. Importers should state their destination markets and compliance requirements before ordering.

The PET bottle body can be recyclable where appropriate collection systems exist. Overall recyclability also depends on bottle color, ink, foil, labels, pump plastics and metal spring. Refilling may be practical in a controlled program, but repeated consumer reuse should not be promoted unless cleaning, hygiene, pump durability and formula compatibility have been validated.

MOQ and Price Factors

The standard MOQ is 10,000 pieces per customized item. Different bottle colors, pump colors or decoration designs may be treated as separate items because each requires independent production setup.

The unit price depends on:

• PET resin specification and bottle weight
• Bottle color and opacity
• Pump structure, output, color and electroplated detail
• Number of print colors and decoration positions
• Order quantity and packing method
• EXW, FOB or other agreed trade term
• Testing and destination-market documentation

For an accurate quotation, send the required quantity, formula type and viscosity, bottle and pump colors, artwork, destination and preferred Incoterm.

OEM/ODM Process

1. Send the capacity, quantity, formula, color and artwork requirements.
2. Confirm BY-0450, the compatible pump and decoration method.
3. Review the quotation, drawing and technical details.
4. Evaluate an existing sample or arrange a custom color and print sample.
5. Approve the sample, artwork and quality standard.
6. Begin production after order confirmation and agreed payment.
7. Complete inspection, packing and shipment.

Is a New Mold Required?

A new bottle mold is normally not required when the existing BY-0450 shape is accepted and only color, pump finish or printing changes. New tooling may be necessary for a different bottle shape, shoulder, base, neck finish or proprietary pump component. Tooling cost, ownership, T1 sample time and production impact will then be quoted separately.

Production Time, Packing and Logistics

Customized mass production generally takes about 30–45 days after sample and artwork approval. New tooling, complex decoration, repeated color corrections and peak production schedules may extend the timeline.

Samples are usually sent by express courier. Bulk goods can move by sea, air, rail or domestic delivery to a nominated warehouse. Pieces per carton, carton dimensions, gross weight and total shipping volume are confirmed after the final bottle-and-pump packing method is approved. Importers should confirm the Incoterm, destination port, carton marks and required documents before production.

About Boyu Packaging

Hangzhou Boyu Packaging supplies OEM and ODM cosmetic packaging for haircare, skincare, personal care and fragrance products. The service covers package selection, mold development, decoration, sampling, component matching, inspection and export coordination. New buyers can also read the haircare packaging guide or explore the Boyu Packaging homepage.

Frequently Asked Questions

Is BY-0450 a lotion pump bottle or a foam pump bottle?

It is described here as a standard dispensing/lotion pump bottle. A foam pump is a different system and should only be used with a compatible bottle neck and low-viscosity foaming formula.

Is the pump suitable for thick conditioner?

Possibly, but the formula must be tested. Thick conditioner may require a pump with a larger flow path or higher output.

Can I customize the pump with a gold finish?

Yes. Electroplated or metallic-looking pump details can be evaluated according to the pump construction, required color and MOQ.

Can I divide 10,000 pieces into several bottle colors?

Custom colors usually require MOQ by color. Share the proposed quantity split before quotation so production feasibility can be checked.

Can PET be hot filled?

Standard PET may deform at elevated temperatures. Provide the actual filling temperature and complete a line trial before ordering.

How is leakage prevented?

The neck, pump thread, gasket, tightening torque, dip tube and pump lock are checked as one system. Final confirmation requires testing with the actual formula under expected shipping conditions.

Can you provide exact height, diameter and weight?

Yes. Exact dimensions, neck specification and empty-bottle weight will be confirmed from the BY-0450 technical drawing or approved sample.

What information is required for a quotation?

Please provide quantity, formula type and viscosity, filling temperature, bottle and pump colors, artwork, destination country and trade term.

What after-sales information is needed if a problem occurs?

Provide photos or video, carton marks, batch details, affected quantity and filled-product information. This makes it possible to trace and review the issue efficiently.