NEW Stanley The Quencher 20-Ounce Tumbler Neon Yellow Stay hydrated with the Quencher cup by Stanley. What it does: This stainless-steel tumbler features double-wall vacuum insulation to keep drinks cold for 8 hours and iced for 30 hours. Additional features: The ergonomic handle makes it easy to carry, and the unique shape of the tumbler means it will fit in most car cupholders. Sizing information: 3.45" x 3.54" x 8.96"; 3.15" base diameter; holds 20 oz. Includes: Tumbler, lid and reusable straw. * Holds 20 oz. * Car cupholder compatible * 18/8 recycled stainless steel * Dishwasher safe