Hydraflow Hybrid 13 pcs Double Wall Stainless Steel Bottles 34oz (Color Vary).Hydraflow made their favorite 34-oz. Hydraflow Hybrid Bottle set (which has over 700 5-star reviews!) even better by adding removable silicone boots. Includes two bottles, two sipper lids, two chug lids, two removable silicone boots, four straws and one straw cleaner brush. The Hydraflow Hybrid is the perfect bottle to have with you from day to night, keeping your beverage cold for up to 24 hours. To make drinking your cold beverage even easier for you, there's a flip straw that pops up with a touch of a button and a chug lid with an easy turn for freeflow drinking. The soft, flexible handle makes it convenient to carry around wherever the day takes you. Leak-proof, dishwasher safe, sweatproof, and BPA-free. Multiple designs available.Push-button flip-top straw for easy one-handed drinking Triple-wall, vacuum-insulated with copper liningThe triple wall prevents condensation and insulates your beverage Keeps beverage cold for up to 24 hours Keeps beverage hot for up to 12 hours (only with chug lids) Made from 18/8 stainless steel Wide-mouth opening for big ice cubes Top-rack dishwasher safe Fits in most cup holders Leakproof BPA free Do not place hot beverages in the bottle when using the sipper lids Hot beverages ONLY for chug lids Set includes:(2) 34-oz. bottles (2) sipper lids (2) chug lids (2) removable silicone boots (4) straws