And it is thick enough to protect your Owala water bottles from damage, dings, and scratch and prevent annoying noise when landing your flask 【Easy to Install and Remove】Our silicone boot can withstand stretching and folding, washable and reusable. HEYSKAY protective silicone boot was designed for 24oz 32oz 40oz stainless steel Owala Twist,FreeSip or Flip water bottles; Also perfect for Owala 40oz tumblers and Stanley Quencher(30/40oz) H2., 0 and Stanley lceFlow (20/30 oz) Tumblers. 【Wide Compatibility】HEYSKAY protective silicone boot was designed for 24oz stainless steel Owala Twist,FreeSip or Flip water bottles; Also perfect for Owala 40oz tumblers and Stanley Quencher(30/40oz) H2., 0 and Stanley lceFlow (20/30 oz) Tumblers. NOT intended for Owala tritan plastic water bottles 【Food Grade Material】Our bottom base is made of food grade silicone material, BPA-Free, odor-free, safe for your daily use. It also fits other brand water bottle which bottom diameter is from 2., 85inch to 3., 65inch. It also fits other brand water bottle which bottom diameter is from 2., 85inch to 2., 95inch. Bouteille Owala Silicone Boot Anti-Slip Protective Bottom Base For Owala 24oz Flask Water Bottle | Singapore Silicone Protective Sleeve For Owala Stanley Tumbler Bottom