THERMAX DOUBLE-WALL VACUUM INSULATION FOR MAXIMUM TEMPERATURE RETENTION HOT OR COLD; KEEPS HOT 6 HOURS KEEPS COLD 8 HOURS; LIGHT COMPACT DESIGN FEATURES UNBREAKABLE PRECISION 18/8 STAINLESS STEEL INTERIOR & EXTERIOR; LEAK-PROOF 360 DRINK LID IS EASY TO USE & DRINKABLE FROM ANY DIRECTION; COMFORTABLE RUBBERIZED STAINLESS STEEL HANDLE WITH CARABINER; RUBBERIZED SHOCK-ABSORBING BASE WITH WIDE STANCE FOR STABLE FOOTING; THERMOS LIFETIME PERFORMANCE GUARANTEE ; CAPACITY: 16 OZ; WEIGHT: 1.3 LBS; DIM: 7.3L X 3.5W X 9.9H