RUGGED MATERIAL: Our 40 oz tumbler with handle are made with improved and new technology. Its sturdy shell can withstand any accident, including bumps, drops, fires and so on. Anyone who owns this insulated mug can take it anywhere with confidence

40 HOURS COLD/12 HOURS HOT: This 40 oz tumbler with lid and straw made of 304 stainless steel for better heat retention and with double seal insulation technology, it can stay cold for 40 hours and hot for 12 hours

STRICT QUALITY CONTROL OF MATERIALS: For each customer's health, the 304 stainless steel in our tumbler is free of bisphenol A, lead and cadmium. To reduce plastic waste, our straws are also reusable and easy to clean

THOROUGH DESIGN: Considering the different users, we designed the bottom of the tumbler cups to fit most of the car cup holders, including trucks, cars, SUVs and other vehicles. Easy to take on vacation

2 IN 1 CUP LID: The lids can be used for drinking straight or with a straw and are made of heat resistant material that can withstand hot water. If you receive a damaged lid, we will solve the problem unconditionally