TIJUANA FEATURES DOUBLE-WALL INSULATED 18/8 POWDER-COATED STAINLESS STEEL CONSTRUCTION AND TWIST-ON CAP WITH SILICONE LOOP ATTACHMENT KEEPS BEVERAGES HOT OR COLD FOR UP TO 8 HOURS. HAND WASH ONLY. FDA CERTIFIED. COMPLIES WITH CPSIA, FDA, PROP 65. 11.0" H X 2.875" DIAMETER