ALL AROUND PROTECTION! Protect your flask from everyday wear and tear, dings, dents, and more. Durable silicone all around and a thick base helps to absorb shocks and drops. Whether you're on your way to the office, road trips, hiking, sporting events, or just at home, your Thermi silicone sleeve will protect your flask! PERFECT FIT! Ultra precise engineering makes your Thermi silicone sleeve a perfect fit for your 18oz, 32oz, 40oz and 64oz (1st Gen ONLY) Hydro Flask insulated wide mouth water bottle or similarly shaped bottles such as Takeya, ThermoFlask Fifty Fifty, Simple Modern, Swig Swavvy, and many more. ADD GRIP TO YOUR BOTTLE! Tired of your bottle slipping out of your hand? Thermi silicone sleeve's makes it easier to hold and grip your bottle. An innovative design provides an ergonomic and natural grip to your flask, perfect gift for a friend, coworker, or loved one with small hands or arthritis. DURABLE & EASY TO WASH! Premium, BPA-free silicone is durable and over-engineered to last. Premium silicone also makes it super easy to wash and clean your sleeve then towel or air dry. 100% SATISFACTION GUARANTEED! Your purchase is backed by our 100% happiness guarantee. If you're not happy, you will get a full refund! Your Thermi silicone protective sleeve is also guaranteed against manufacturers defects for 1 year! Please note: THERMI IS NOT AFFILIATED WITH HYDRO FLASK OR ANY OTHER FLASK/BOTTLE MANUFACTURER. Hydro Flask is a trademark of Helen of Troy Limited.Thermi products are intended for use with multiple bottle manufacturers. All other trademarks remain the property of their respective owners. Use of trademarks does not imply any affiliation with or endorsement by Hydro Flask or any other trademark holders. These trademark holders do not endorse Thermi products and we do not endorse the use of any other product.