? Double Layer and Vacuum Insulated: The Stainless Steel tumblers with lids and straws are vacuum insulated and double-walled. The double-wall vacuum insulated thermal technology provides good insulation, which is good for keeping your drinks warm or cold for a long time and protects your hands from the temperature of the drinks inside the tumbler cup, allowing you to use the insulated tumbler in any season. ? BPA-Free and Food Grade Cup: The insulated stainless steel glasses are made of 18/8 food-grade 304 stainless steel with a powder-coated finish, so they will not peel or rust. Lightweight and unbreakable, it is also simple to clean and transport. ? Leakproof Lids Design: The BPA-free lid has a hole for straw use, and the hole of the lip can also be covered to prevent liquid from spilling and splashing on clothing. Tight lid keeps the temperature stable. ? Great for a Variety of Occasions: The insulated tumbler cups are suitable for storing any drinking and can be used as wine cups, coffee cups, water cups, or sports fan travel mugs. The tumbler with lid is a trendy coloured stainless steel tumbler cup that is ideal for use at home, office, camping, vacation, sports, and travel. The insulated tumblers are also a fashionable and practical gift for family and friends or colleagues, eid or other occasions. ? Ideal Gifts and Suprise Package: Our tumbler would be a perfect gift for your family and friends. It comes with a beautiful packing. You can gift it at any occassion. ? 100% Satisfaction Guarantee: Loved by thousands of users, we guarantee you absolute satisfaction with this trendy cup. If you are dissatisfied with the skinny tumbler, please contact us, we will assist you in resolving any issues as soon as possible.