The 600 ml / 20 oz Twist Shout is a double wall vacuum insulated bottle made with pro-grade 18/8 stainless steel. This ergonomic silhouette features a shiny metallic body paired with a black spill resistant screw-on lid. The Twist Shouts wide mouth makes it easy to add ice and clean while the lid is fitted with a flip top spout and a removable straw.