Made from clean-tasting stainless steel and a hand-sewn neoprene wetsuit grip, this travel tumbler is fit for those who serve above and below the water. Thermal fortress retains heat and cold, with a counter-weighted nonslip base, spill-proof lid, and cupholder-friendly tapered bottom. Polyester cover resists water and discoloration. Holds 16 oz. Hand wash only; do not microwave. Blue.