PATENT PENDING. COPPER LINED, VACUUM INSULATED DEEP DRAW LINER WILL MAINTAIN OPTIMAL DRINKING TEMPERATURE. INCLUDES A SWEAT-FREE DESIGN AND CLEAR SCREW-ON LID. MADE WITH FDA COMPLIANT DUAL WALLED 18-8 STAINLESS STEEL. BPA FREE. KEEPS ICE FROZEN FOR OVER 48 HOURS. NOTE: OPTIONAL STRAW AVAILABLE FOR ADDITIONAL FEE. AVAILABLE STRAW COLORS: GREEN, RED, BLUE AND CLEAR. COMPLIES WITH FDA. 3.875" D X 3.875" W X 8.25" H