VEVOR 8 Pack Straight Sublimation Tumblers, 30 oz Blank Tumbler Bulk, Stainless Steel Double Wall Tumbler Cups with Straw, Lid, Brush, Base, Shrink Wrap, Gift Box, for Heat Press and Heat TransferProduct Features Food grade Material Our sublimation tumblers are made of food grade stainless steel, and are compliant with FDA standards. The outer body is also crafted from stainless steel, ensuring safety and durability. This means you can use it for a long time without worrying about quality issues. Easy Sublimation Our blank sublimation tumblers feature a white heat sublimation coating, along with a complimentary shrink wrap, making DIY designs