This premium Adrenaline tumbler is made from stainless steel and black coated. We then burn the coating off with our artwork revealing the stainless below (so unlike aluminum it will not oxidize). Great for coffee, tea, sports drinks and protein shakes. Features include:

• Adrenaline Pew Pew design
• 18/8 stainless steel construction with powder-coated matte finish
• Copper-lined double-wall insulated with condensation-free surface
• Keeps beverage hot for 4 hours and cold for 12 hours
• Lock-tight, screw-on matching leak resistant lid with flip-top opening
• Fits most car cup holders and coffee makers
• Hand wash only
• BPA Free & FDA certified
• 18 oz.