😊LUCKINEE VIVID DESIGNS - 2pcs in one package, try different colors/designs for yourself, mix and match to create a bright new looking for your Owala flask water bottles 🌟BOOT SIZE 3.54''Wx1.89''H--Our Silicone boot was designed for 40oz stainless steel Owala FreeSip, Twist and Flip water bottles; It is also compatible with Hydro flask water bottle 32oz 40oz and more other bottles with bottom diameter from 3.46-3.65in. WARNNING: It doesn't fit Stanly tumbler 30 40oz which bottom is thinner than the top 🌟PREMIUM SOFT SILICONE MATERIAL - Our silicone material is soft,the hand feel is not hard and more stretchable than average quality silicone. Our Water bottle boot fits the bottle body more snugly while easier to put on & take off 😊SAFE TO USE – Made of high quality food grade silicone material, BPA free, odor-free, feel safe for your daily use. Reusable, dishwasher safe and foldable. 😊SATISFACTION GUARANTEED – Try our water bottle protecter boot for yourself! You are assured to get the products as described and get the quick/easy customer service by wiring or talking to us directly. Our Silicone boot was designed for stainless steel Owala FreeSip, Twist and Flip water bottles. made of high quality food grade silicone material, BPA free, odor-free, feel safe for your daily use. Reusable, dishwasher safe and foldable. Our silicone material is soft,the hand feel is not hard and more stretchable than average quality silicone. Our Water bottle boot fits the bottle body more snugly while easier to put on & take off. 2pcs in one package, try different colors/designs for yourself, mix and match to create a bright new looking for your Owala flask water bottles.