OAWEEN 2 pcs Silicone Boot for Hydro Flask 32oz 40oz Wide Mouth Bottom Diameter 3.55"-3.85" Anti-Scratch Protective Sleeve for Hydroflask Water Bottle Anti-Slip Clear Cover Outdoor Accessories, Gray

["PRODUCT DETAILS: Hydro Flask Water Bottle Boot has a height of 1.77 inches and an inner diameter of 3.5 inches. It's elastic and fit tumblers or water bottles with a bottom diameter between 3.55 and 3.85 inches. If you're not sure, please measure the diameter of your bottle's bottom before purchasing","DURABLE SILICONE: The protective boot is made of premium soft and flexible silicone food-grade, BPA free and reusable","EASY TO USE: There is a small air hole at the bottom, which helps release pressure or suction, so make it easy to slip it on or off bottom sleeve from water bottle. Please do not hesitate to contact us if you have any questions","MULTI-FUNCTIONAL: Bottom boot cover is not only slip-resistant to reduce noise, but also protects the bottle from bumps, scratches, dings. Also be used as a outdoor feeding bowl for your pets","PRODUCT COMPATIBILITY: This silicone boot cover fits perfectly with Hydro Flask Wide Mouth Water Bottle 32/40 oz, or other brand water bottles, such as for BJPKPK, YETI, Stanley, Owala, HydroJug, Brumate, Hydro Flask, Simple Modern"]