20-ounce size is great for hydrating your day or as a large cup of coffee Durable, reusable tumbler with advanced temperature retention — ideal for replacing single-use plastic/paper cups When closed, the threaded, leakproof lid prevent spills Flip ‘n’ Sip lid is straw-compatible & features a mouth opening cover that opens easily & clips securely into place when open or closed Body shape is also compatible with the Sport Sipper lid that comes standard on our 20 Oz Sport Sipper Bottle