Customize this metal travel tumbler using sublimation techniques! You can personalize the tumbler with images of family members, trips or friends, or customize using your own designs.Details: White with black lid 30 fl. oz. (888 mL) tumbler capacity8 tumblers BPA free Vacuum insulated Stainless steel, polystyrene plastic, silicone and polyester coating Do not use in microwave or freezer Wash before use, hand wash onlySize Information: 3.5" (8.89 cm) top diameter 2.7" (6.86 cm) bottom diameter 8.55" x 9.35" (21.72cm x 23.75cm) overall dimensions with lid 0.38" x 7.7" (0.84cm x 19.56cm) straw diameter 0.5 mm thickness for outer layer 0.4 mm thickness for inner layer of stainless steel