30 oz Urban Peak Trail Vacuum Tumbler. Sweat-free design. Copper-lined, vacuum-insulated deep draw liner maintains optimal drinking temperatures and provides 10x heat retention. Keeps ice for over 48 hours. Powder-coated finish features a screw-on, spill-proof plastic lid with unique flip top design and snap locking closure. Stainless Steel dual-walled, lead-free vacuum seal.