Insulated Tumbler Set with Splash Proof Slide Lid Insulated Cup

Set includes 4 pieces of 20 oz tumblers with splash proof slide lid 4 straws and 2 straw brushes. The lid is splash proof and perfect for office school trip and picnic. Double wall vacuum technology could keep your drink hot for 6h and cold for 12h. The insulated stainless steel tumbler will not be too hot to touch. It is made from 304 stainless steel which is food grade and durable. The inner wall is electro polished without any gaps which makes the tumbler rust proof and will not leave any taste. The insulated travel coffee mug features a sweat proof easy grip and durable powder coating.