20 oz Skinny Stainless Steel Double Wall Insulated Straight Tumbler Cup with Lid, Individually boxed and comes with straw. (On-the-go Insulation) Keep your beverages at your ideal temperature with our double-layered, vacuum-insulated, food-grade, 304-stainless-steel tumbler. The push-button lid avoids leaks and dirt, Perfect for enjoying hot or cold drinks on the go.