Features Comprehensive protection! - Protect your flasks from everyday wear, dents, dents, etc. Surrounded by durable silicone, the thick base helps absorb shocks and drops. Whether you're on the way to the office, road trip, hike, sporting event, or just at home, your silicone case will protect your flask! Perfect fit! - Ultra-precise engineering makes the silicone sleeve perfect for your 32oz and 40oz Hydro Flask and Aquaflask Insulated Wide Mouth Water Bottles. Add grip to your bottle! - Tired of bottles slipping out of your hands? Our silicone sleeves make it easier to hold and grip your bottle. The innovative design provides your flask with an ergonomic and natural grip, making it the perfect gift for a friend, colleague or loved one with small or arthritic hands. Durable and easy to clean! - High-quality, BPA-free silicone is durable and engineered to last. The premium silicone also makes it super easy to wash and clean the sleeves, then towel or air dry. Specifications Size：40OZ:24*9*9CM 32OZ:20*9*9CM Package List 1x Silicone Case Notes It is normal to measure the size manually and a little error, the data is for reference only and the actual product shall prevail! There will be some color difference due to the light display and other reasons, please understand!