Double walled vacuum insulated, keeps drinks warm for 12 hours and cold for 18 hours Sweat free exterior design, keeps condensation & water beads from forming Crafted from colorful premium food grade 18/8 stainless steel, BPA free Vacuum sealed screw on cap, narrow mouth opening prevents drips & spills Lightweight cola shaped profile holds 17 oz, easy storage, fits all standard cup holders Stay hydrated all day long with the Thirsty Rhino Kola Water Bottle! This is our newest modern shaped double-walled vacuum insulated water bottle. Made of premium stainless steel with our sweat-free design to keep drinks colder or hotter for longer without making a mess. We've made it slim and portable because this bottle is designed to travel. Fits snugly inside gym bags, purses, and all standard cup holders. Take this bottle out for a spin while you're at the gym, beach, hiking, cycling, yoga, camping, climbing, golfiing, school, road trips, or even if you're just at the office!