1.Can keep warm/cool 8 hours 2.Neoprene material 3.Silkscreenprinting of hot transfer printing 4.Using the high neoprene enviromengtal protection foaming rubber to make non-toxic 5.Can make any of the customized size and printing design 6.Available color:Fuchsia,Red,Wine,Burgundy,Yellow,Process Blue,Aqua,Green,Royal,Navy,Silver Gray,Grass Green,Purple,FI.Orange,FI.Green,Cyan,Teal,White,Black,etc... 7.Can cooler is used for keeping beverage.