Durable Silica Gel Construction: Crafted from high-quality plastic and silica gel, this water bottle cap ensures durability and reliability for long-term use. Versatile 2-Pack Design: Enjoy the convenience of a 2-pack set, allowing you to have a spare cap ready when needed or to replace the filter with ease when not using the fragrance box. Enhanced Grip and Easy Handling: The non-slip textured exterior design of these caps provides a secure grip for effortless opening and closing, enhancing user experience. Compatibility and User-Friendly Design: Specifically designed for Cirkul water bottle filters, these caps offer seamless integration and transform your bottle into a regular water container when not using the fragrance cartridge. Maintenance Tips for Longevity: To maintain the integrity of these caps, hand wash them with warm water as high temperatures may cause deformation. Store upright with the lid on for optimal care. Description: Introducing the water bottle cap, a high-quality cap designed for your convenience. This 2-pack set ensures you always have a spare on hand. The simple structure makes it easy to clean, and the non-slip textured exterior allows for effortless opening and closing. Specifically crafted for the for Cirkul water bottle filter, this cap can replace the filter when not in use, transforming your bottle into a regular water bottle. Please note that these caps are not dishwasher safe; hand wash with warm water only to maintain their integrity. Store upright with the lid on to prevent deformation due to high temperatures. Upgrade your for Cirkul bottle with this insulated lid for a seamless experience. Perfect for adults and kids alike, this cap is a versatile addition to your hydration routine. Item Name: Water Bottle Cap Material: Silica Gel Features: Durable, Versatile Design, Enhanced Grip Size Details: L: 4cm/1.57", W: 4cm/1.57", H: 1cm/0.39" (Approx.) Notes: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Package Includes: 2/4 x Water Bottle Caps