The Coldest One Gallon Water Bottle is an Insulated Jug with a Sports Flip Top Straw Lid. The Coldest Water Sports Series Premium Water Bottle was initially built for Professional Athletes in High Performing Sports. We believe in only owning 1 water bottle and your last bottle. This comes pre-loaded with our new 2.0 Fully Insulated Flip Top Lid being the #1 lid in the market, best water bottle, your last bottle, built of the highest quality materials to live a long life and to keep your water the coldest as long as possible. The Advantages of Owning The Coldest Water Bottle -Cold for up to at least 36 hours or more -Rubber Grip and big handle for carrying -Perfect size - Not too big, not too small! Durability -Very strong and solid build -Fit big ice cubes -Tight, Light-weight, yet strongest durable water bottle build. The Coldest Water Bottle is made out of thick stainless steel.