Fill this tumbler with your favorite beverage and head out for the day! The Palermo Thermal Tumbler is made of double-wall 18/8 stainless steel and features an 18 oz. capacity, copper vacuum insulation for temperature retention, a stainless steel rim, a clear push-on lid with sliding closure, and a powder-coated finish. Each tumbler measures 7 1/4"H x 3 1/2". Do not microwave. Washing by hand is recommended.