THERMAX DOUBLE WALL VACUUM INSULATION LOCKS IN TEMPERATURE TO PRESERVE FLAVOR & FRESHNESS; UNBREAKABLE 18/8 STAINLESS STEEL INTERIOR & EXTERIOR WITHSTAND THE DEMANDS OF EVERYDAY USE; SPILL-RESISTANT LEVER-OPERATED DRINK LID; SLIM BODY WITH SILICONE RUBBER GRIP IS COMFORTABLE TO HOLD & FITS MOST AUTOMOBILE DRINK HOLDERS; TUMBLER STAYS COOL TO THE TOUCH WITH HOT LIQUIDS & IS CONDENSATION-FREE WITH COLD; 18-OZ CAPACITY SKU: PETHRJMH550P6