PERFECT AT HOME AT THE DINING TABLE, PICNICS, OUTDOOR EVENTS, THE WORKPLACE, SCHOOLS, CAMPING, AND HIKING. A GREAT ALTERNATIVE TO PLASTIC AND GLASS CUPS. DURABLE AND WON'T BREAK LIKE GLASS. EASILY STACKABLE AND TRANSPORTABLE. MADE OF FOOD GRADE 18/8 STAINLESS STEEL WITH NO PLASTIC LINER. PASSIVATED TO ENSURE TAP FRESH FLAVOR. COLD BEVERAGES ONLY. 5 1/8" H X 3 1/2" DIAMETER