Custom Business Wear, BruMate Era 40oz Mug- Leak-proof & Ice Retention, A new Era of straw tumbler is here. Era tumbler is totally leakproof, and made for stress free sips on the go. It has our fully leakproof Ü-Turn lid that works for both cold and carbonated beverages, ColdKey metal straw for minimizing the amount of plastic sitting in your water, BevGuard technology to keep ice for 24+ hours, and a cup-holder friendly base so you can enjoy 40oz of your favorite beverage, free of leaks and spills throughout your daily journey. Plastic-free drinking experience Ü-Turn Leakproof Straw Lid Rubber Grip Comfort Grip Handle Cup Holder Friendly Base Stainless steel straw with a silicone top Dishwasher Safe No Metallic Taste 24+ hours Ice cold ... #BRU-ERA40 $53.08/each.