Hydration on the go just got easier with our leakproof, insulated Flex Straw Cap. This cap is designed to fit all Hydro Flask Wide Mouth Bottles and features a straw that's easy to trim to fit your favorite bottle. The Flex Strap is easy to transport and comfortable to carry, making it perfect for daily use. The Honeycomb Insulated cap helps retain temperature, keeping your drinks cold for hours. The cap is leakproof when closed, so you can sip and transport your refreshment without worry. It's also BPA-Free and Toxin-Free, and the removable components make cleaning a breeze. The Flex Straw Cap is suitable for everyday use and is dishwasher safe. Please note that it's not intended for use with carbonated beverages or hot liquids. It's also not recommended for children to handle hot liquids. The cap is available in Black and is suitable for both men and women.