Come and see our amazing products. This thermos coffee mugs are with double walled vacuum insulation technology, keeping your favorite beverages hot for 3+ hours and cold for 9+ hours. Sweat proof, no condensation. Powder Coated Premium 316 Stainless Steel: The insulated coffee mug is made from premium 304 food Grade stainless steel, never rust, lead free, easy wash and unbreakable. Each cup is powder coated for a durable finish, no scratching, peeling or fading. BPA Free Lid, The eco-friendly lid is completely BPA free; silica gasket seals to achieve maximum spill proof capability. Wide mouth drinking hole on the top, straw friendly, with sliding cover to keep bugs and dust out for drinking at your beautiful garden. The sliding cover is to prevent heat/ cold from escaping. It is not leak proof. Pls confirm with us about the packing info, stock color and exact production time before placing your order.