About this item 18/8 Stainless Steel: Super sparrow water bottle is made of 18/8 premium quality stainless steel to ensure durability, odorless, rust-proof, 100% BPA free, Featuring superior insulation and a condensation-proof design that keeps hot or cold longer. 2 Universal Lids: The water bottle comes with 2 lids,an innovative sport straw lid and a wide cap made of stainless steel.Both with a food-grade rubber seal ring which makes it leakproof and no plastic smell. Wide Mouth Design: Wide mouth metal water bottle is easy to fill with ice cubes or fruits, and is easy for cleaning and dishwasher safe. The life span can be additionally extended by rinsing the insulated water bottle by hand. Easy to carry: Take this easy-to-carry portable water bottle while hiking, biking, shopping or leaving it at the office. It will keep your drink clod for up to 20 hours, and hot for up to 8 hours. The super sparrow water bottle is a great gift for any occasion. Super Sparrow Quality: Super sparrow is always innovating, we believe you can find a super sparrow water bottle that just right for you. At the same time, we will provide perfect after-sales service for all super sparrow products to avoid manufacturer defects.