Polar Bottle Thermaluxe - Vacuum Insulated Stainless Steel Travel Mug, Stainless Steel {Half-Twist Cap - Tomato} 21 oz. REUSABLE POLAR BOTTLE: Designed for your active lifestyle, our vacuum-insulated bottle is crafted to keep your beverage fresh and the perfect temperature, no matter where life takes you. STAINLESS STEEL CONSTRUCTION - Our durable sports bottle is built with a food-grade stainless steel exterior for durability and Copper Shield Technology on the inside to provide ultimate insulation. LONG-LASTING FRESHNESS - Rely on our bottles to keep your beverage the ideal temperature for up to 24 hours with an interior copper liner that reduces surface heat loss and insulates your drink HALF-TWIST CAP - Our drink-through cap allows you to drink directly from the lid, delivering a perfect sip with each drink and preventing spills. DESIGNED FOR YOUR LIFESTYLE - With vacuum insulation that wont sweat on the outside, dishwasher-safe construction and a removable CarryLoop each sports bottle will fit your active lifestyle.