20oz. Flip and Sip Top Water Bottle - Single Wall Stainless Steel Spring Loaded Flip up Cap releases with a flip of a button. Single Wall, Brushed Stainless Steel Body with ergonomic finger grip grooves. Screw on Rubber Gasket Sealed Lid with Loop Attachment. Wide 1.75" Mouth opening for easy cleaning and ice cube insertion. Dimensions: 2.75" Diameter x 8.75" Height