Snap-On Closures for Refillable Water Bottles
At ASE, we understand that every detail matters when it comes to creating a sustainable and reliable hydration solution. That’s why our closures for refillable water bottles are engineered with care, ensuring they meet the highest standards of quality, functionality, and environmental responsibility.Key Features of ASE Closures
100% Recyclable Materials
Crafted from food-grade LDPE resin, our closures are made entirely from recyclable materials, supporting a circular economy and reducing plastic waste.
Organoleptic Excellence
Designed to preserve the purity and taste of water, ensuring a fresh and clean experience with every refill.
Customizable Options
Available in a range of colors, with the option for logo embossing to personalize and enhance brand recognition.

Perfect Compatibility
Tailored to fit ASE’s refillable 5-gallon water bottles seamlessly, providing a secure and leak-proof seal.
Temperature Resilience
Built to withstand temperature fluctuations, making them ideal for a variety of storage and usage conditions.
Tamper Evident Closures and Handles
For PET bottles, size 38 mm / 48 mm.



Screw Type 55 mm Closures
For refillable water bottles.

Designed for a Greener Tomorrow
Our closures are an essential component of ASE’s commitment to sustainability. By combining high-quality materials with smart design, we ensure that our closures not only deliver exceptional performance but also contribute to reducing environmental impact.
- Reduce Waste: 100% recyclable closures encourage responsible disposal practices.
- Reuse Smarter: Perfect for refillable bottles, extending the lifecycle of both bottle and closure.

Enhance Your Brand with ASE Closures
- For businesses, our customizable closures offer the perfect opportunity to make a statement.
- Choose your brand colors or emboss your logo for a professional, recognizable finish that complements ASE’s premium water bottles.
- Partner with ASE and take the next step toward sustainable, reliable hydration solutions.
See the production process
- Learn about the cap production process in our factory in Izmir, Turkey.
- See the automated quality control process of our caps.