DOUBLE-WALLED TEMPSEAL STAINLESS STEEL VACUUM INSULATION, KEEPS YOUR DRINK HOT OR COLD FOR UP TO 12 HOURS, COMBINATION STAINLESS STEEL AND POLYPROPYLENE SCREW-TOP LID, LOOP ATTACHMENT MEANS YOUR LID WILL NEVER GET LOST, HAND WASH ONLY. FDA CERTIFIED. COMPLIES WITH CPSIA, FDA, PROP 65. 10.5" H X 3.375" DIAMETER