No matter what your day brings, this 30 oz. Stainless Steel Tumbler is ready for the challenge. With its double-walled and vacuum insulated design, it boasts an ergonomically tapered silhouette, a slide lid with straw slot, and a silicone grip. Your drinks will stay cold for hours in this high-quality stainless steel tumbler without any change in taste. Holds 30 oz. and is hand-wash only for easy maintenance.