Compatibility: Our silicone case is compatible with for Owala 24oz/709.68ml FreeSip, stainless steel water bottle. Precisely made according to the size of the original cup, it fits the bottom of the cup perfectly and is not easy to fall off. Made of silicone rubber, soft, BPA free and elastic, with full package design, comfortable to hold, reusable and easy to clean This water bottle bottom protector can wrap the bottle tightly to prevent your bottle from being harmed. Before installation, please clean the bottom of the bottle with a damp cloth and let it dry. Then slowly cover the bottom cover. Package Included: 1 x Water Bottle Sleeve Note: No retail package. Transition: 1cm=10mm=0.39inch Please allow 0-1cm error due to manual measurement. pls make sure you do not mind before you bid. Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you!