THE CRYSTAL CLEAR ACRYLIC CONSTRUCTION WITH DOUBLE WALL INSULATION KEEPS HOT DRINKS HOT AND COLD DRINKS COLD. THIS ITEM COMES WITH A OPTIONAL OPEN-CLOSE LID AVAILABLE. RUSH SERVICE IS AVAILABLE, PLEASE CALL FOR DETAILS. COMPLIES WITH FDA, PROP 65. 3 3/4" W X 5 1/2" H X 2 3/4" DIAMETER