LumaSteel 30oz Sublimation Blank Tumblers - Double Wall Vacuum Insulated Stainless Steel Octagon Travel Mug with Lid - DIY Heat Transfer Cup for Coffee, Tea & Cold Drinks - Perfect for Gifts, Parties & Personalized Crafts (20 Pack, Silver)

30oz, Silver Luma Steel Sublimation Blank Stainless Steel Tumbler, with Octagon base and clear lid. 7.5" x 12.5" dia. Must be sublimated using a convection oven with 7" x 9" shrinkwrap and heat gun. These double-walled, vacuum insulated tumblers keep any beverage hot or cold. This popular tumbler design is great for both men and women. Available in white and silver. Vacuum seal keeps liquids and carbonation fresh. 100% BPA and Phthalate Free. - Wide base - Easy-to-grasp shape - Secure lid (Not a slide lid) - Stainless steel construction - Hand wash - Double wall eliminates condensation