Contigo Purity Glass Water Bottle, 20 oz, Scuba With Silicone Tether Seal It In - Leak-proof lid (when closed) for on-the-go activities Peace of mind - Made completely of glass and food-grade silicone; no plastic parts Big Mouth - Wide mouth ideal for chugging Carry On- The tethered lid and makes a convenient carry loop (when closed) for easy portability Clean Up - Top rack dishwasher safe lid and body