Drinco® 30oz sport vacuum insulated stainless steel water bottle - royal blue the drinco thermos bottle is constructed with rust-resistant (18 / 8) food-grade stainless steel body, a material lauded for its durability. The powder coating paint treatment makes the bottle durable and scratch resistant. Double walled vacuum sealed construction made from thin copper coating helps the bottle to retain the heat. Effective insulation with a sport screw lid cap helps to maintain the temperature up to 24 hours for cold and 12 hours for hot beverages. These premium quality leakproof water bottles are safe and easy to clean. Our vacuum insulated water bottle is designed with a wide mouth simple modern silhouette and comes with a textured grip. Take our bottles along with you and keep yourself hydrated, stay cool and enjoy every sip of your beverage. Say no to one-time use bottle with these reusable insulated bottles. Premium quality superior insulation user friendly environmentally friendly. Drinco sport vacuum insulated stainless steel water bottle - royal blue 30oz