Made for everyday use and travel, the BruMate Era 30 oz. Straw Tumbler features a 100% leakproof Ü-Turn™ lid, a SoftSip™ silicone straw for a smooth, comfortable drinking experience, and a ColdKey™ stainless steel straw to help reduce plastic use. Designed with an easy-grip handle and a protective, swappable sleeve to help guard against dents and dings, it keeps beverages cold for 24+ hours with advanced temperature retention. Built for convenience, most finishes are dishwasher safe for easy cleaning.