EcoVessel BOULDER TriMax Vacuum Insulated Stainless Steel Water Bottle with Versatile Stainless Steel Top and Tea, Fruit, Ice Strainer -&nbsp;32 ounce - Silver Express TRIPLE INSULATED WATTER BOTTLE: The triple insulation will keep your drinks coldfor 36 hours and hot for 8 hours MULTI-LID TOP: The Boulder includes a multi-lid top with a wide opening for filling and a narrow mouth for drinking and is interchangeable with our coffee and flip straw tops QUALITY: We've constructed the durable Boulder insulated watter bottle from food grade premium 18/8 stainless steel with No BPA, No phthalates, No liners DUAL USE LEAK-PROOF TOP: The two-piece lid includes an integrated carrying strap and its secure leak-proof seal will keep your drink inside the bottle where it belongs REMOVABLE ICE, FRUIT AND TEA STRAINER: The Boulder features a food grade stainless steel removable strainer for tea and fruit infusion. The strainer will also work well as an ice dam to keep your ice in the bottle instead of your teeth