A big cup for big swigs — perfect for sweet teas, cold water, or XL smoothies. 18/8 stainless steel that resists dents and drops. Double-Wall Vacuum Insulation keeps drinks cold to the last drop. Dishwasher safe Stackable design Sweat-proof Duracoat Color that won't peel or crack Outside : 9 1/4" x 4" Empty Weight : 14.4 oz *Please note that this Lid is not for use with hot beverages. If looking to enjoy with a hot beverage, check out the compatible Magslider Lid.