stellar 20 oz. skinny steel, double wall stainless tumbler (white, 12 pack) stellar the stellar skinny steel is a 20oz double wall 18/8 stainless steel thermal bottle with a powder coated finish that protects against chips and scratches. vacuum insulation keeps drinks cold 24hr, hot 12hr. comes with a clear push-on lid and a straw. non-toxic and bpa-free. ***not for sublimation***