Our 40 oz tumbler lid with stronger sealing and longer insulation and cooling time Double wall vacuum insulated 8/18 stainless steel tumbler, insulated for 10 hours, cold for 14 hours, and ice for 2 days Improved traditional lid sealing, equipped with a straw cover to prevent leakage, and the straw is resistant to high temperatures The tumbler Made of BPA free, 8/18 stainless steel, sturdy and durable, equipped with reusable straws to help reduce plastic footprints and protect the environment The tumbler is very suitable for most car cup holders, and is very suitable for your daily travel, office, and outdoor activities Dishwasher Safe, Hand Wash
