Description
45 mm plastic water bottle cap is precision compression-molded for beverage and bottled-water producers. Constructed from premium PE polymer with leak-proof threads, it maintains stable sealing and withstands repeated twisting. Its smooth surface enables full-color print and logo embossing for unique shelf appearance, a dependable option for both function and brand customization.
Key Features
Leak-proof sealing
- Precision-molded threads lock tightly onto bottle necks, preventing leakage and moisture ingress during storage, transport, and extended shelf life
Durable PE construction
- High-grade polymer withstands temperature fluctuations, humidity variations, and mechanical stress across long distribution cycles
Ergonomic round design
- Comfortable grip for consumers of all ages; smooth edges and balanced proportions suit modern bottle aesthetics and premium perception
Print & emboss friendly
- Smooth surface accepts multi-color printing, embossed logos, and pressure-sensitive labels for strong brand presentation
Beverage-safe material
- Food-contact PE shows good chemical compatibility with water, juice, and carbonated formulations without unwanted taste or stability interactions
Specifications
Parameter |
Details |
Product Type |
Plastic water bottle screw cap |
Size |
45mm |
Shape |
Round |
Material |
PE (food-contact grade) |
Closure Type |
Screw cap (threaded) |
Customization |
Logo & color |
Brand |
BAITONG |
Place of Origin |
Taizhou, Zhejiang, China |
Lead Time |
35–40 working days after 30% deposit |
Materials & Finish
Base material:
- High-grade PE polymer, selected for flexibility, durability, and chemical compatibility with various beverage formulations
Surface finish:
- Smooth, even surface that facilitates direct printing, embossing, and pressure-sensitive label application across market segments
Food-contact compliance:
- Material selection and processing are controlled to comply with relevant food contact regulations and safety standards, with full traceability documentation for audits
Environmental performance:
- Caps are compatible with standard recycling processes, supporting packaging sustainability and circular economy goals
Applications
Bottled water
- Mineral and purified water producers rely on reliable barrier properties that preserve natural taste and prevent contamination

Hospitality & private label
- Hotels, restaurants, event venues, and private label brands use custom colors and logos for branded water programs and retail differentiation

Customization
Option |
Details |
Color |
Custom‑color options for brand‑matching requirements |
Logo |
Custom LOGO for brand personalization |
Packaging |
Custom packaging for your brand |
Packing & Logistics
- Packaging materials are selected for durability and moisture resistance, protecting caps from deformation and contamination during storage and shipment
- Shipping by sea, by air, or by express — we help you choose the best mode according to your requirements
FAQ
Q: Can we get free samples?
A: Yes, you can. Samples are free for customers who confirm an order, but the express freight is on the buyer's account.
Q: What is the normal lead time for 45mm water bottle caps?
A: For plastic products, we ship within 35–40 working days after we receive your 30% deposit.
Q: What is your shipping way?
A: We help you choose the best shipping way according to your requirements — by sea, by air, or by express.
Q: How do you control the quality?
A: We make samples before mass production, and after sample approval we begin mass production. We perform 100% inspection during production, random inspection before packing, and take pictures after packing.
Q: If there is any quality problem, how can you settle it?
A: If any breakage or defective products are found, please take pictures from the original carton. All claims must be presented within 7 working days after discharging the container. We advise third-party certification, or we can accept claims from the samples or pictures you present — finally we completely compensate all your loss.
Q: Can I customize the color and logo of the 45mm bottle caps?
A: Yes. Logo and color customization are accepted. Full-spectrum color options, embossed logos, textured finishes, and multi-color printing are all available to match your brand.
Q: What material are the 45mm water bottle caps made of?
A: These 45mm screw caps are manufactured from high-grade PE polymer that is food-contact compliant, durable, and chemically compatible with water, juice, and carbonated beverage formulations.