Come and see our amazing products. These insulated tumbler are designed with double-wall vacuum insulation, which can keep hot for 5 hours. And the sweat-proof design is also a very prominent feature.This cup is made of quality food grade stainless steel. sturdy and not easy to break even if they fall from a height accidentally, economical and durable.Come with BPA free lid is very safe in daily use without poison.The tightness of these insulated tumblers are good because of rubber gaskets. The drinking hole in the lid is also very convenient for you to drink or insert the straw. Best gifts for Mother's Day and Father's Day, Christmas, housewarming, BBQ, party cup & more. Pls confirm further with us if any query about packing info, inventory status and time schedule.