Quality & Performance Our Tumblers Have the Best Quality Materials & Attention to Detail Powder Coated Powder Coated exterior to provide additional texture and durability. Stemless Shape Ideal stemless shape and design allows for an enhanced drinking experience Condensation Free No heat transfer or condensation to the outside of the glass. Vacuum Insulated Advanced vacuum insulated technology to keep your drink at the perfect temperature for longer. BPA Free Removable BPA free lid to enhance insulation and to protect against outdoor elements Stainless Steel Pro-grade 18/8 stainless steel to protect against flavor transfer