Key features

• •Compatibility and Superior Sealing: These caps are engineered to fit a broad range of water bottles, including 12oz, 22oz, 32oz, and 42oz sizes. They seamlessly adapt to bottles without flavor cartridges, allowing you to easily replace the filter with a simple stopper. Our upgraded caps feature a threaded design, providing an airtight seal that offers superior leak protection compared to the previous version, which merely rested on the bottle.
• •Premium Materials and Comprehensive Protection: Crafted from high-quality, BPA-free plastic, our flavor water bottle caps are designed for durability and safety. When not using a flavor cartridge, our caps safeguard your water, ensuring it remains secure during activities like sports or travel. These lids are custom-fit for Cirkul bottles and guarantee 100% leak-proof performance, giving you peace of mind wherever you go.
• •Shield Against Dust and Dirt: These flavor bottle caps are specifically designed to block dirt and dust, keeping your drinking water clean and safe. Their protective design also ensures a smooth surface free from sharp edges, preventing injuries to your hands. Whether you're at the gym or on a hike, these caps help maintain the purity of your water in any environment.
• •Sustainable Choice: Made from recyclable materials, these caps support the reduction of plastic waste, making them an environmentally responsible option. By choosing these eco-conscious caps, you're not only protecting your health but also contributing to the preservation of the planet, making a positive impact on the environment.
• •User-Friendly Design and Easy Maintenance: Featuring a non-slip surface, these caps are easy to open and close, offering convenience with every use. The thoughtful design allows you to convert a standard bottle into a flavored one simply by adding a flavor cartridge. Their straightforward construction ensures hassle-free cleaning, whether rinsing with water or using detergent, making maintenance effortless.