ETC Stainless Steel Tumbler - Double Walled Vacuum Insulated Travel Mug - 30 oz TEMPERATURE CONTROL - Double walled vacuum insulated stainless steel keeps cold drinks ice cold for up to 24+ hours and hot drinks warm for up to 6 hours. Perfect for hot or cold liquids. HEAVY DUTY - ETC Tumblers are made from heavy duty FDA approved 18/8 stainless steel. FITS MOST CUP HOLDERS - The contoured shape of our cup fits perfectly in the cup holder of your car. EASY TO CLEAN - Our clear plastic BPA Free lid and stainless steel mug clean easily with soap, water, and sponge. Hand wash only to ensure the long-life of your product. LIFETIME GUARANTEE - ETC stainless steel tumblers are backed by our 100% Money Back Guarantee. Love your ETC product or your money back. Why wait? Try yours RISK FREE before we sell out! Consider getting TWO - one for you and one for your very best friend!