item: 4coller bag, can be used to keep heat or cool when at outdoor DescriptionProduct Namecooler BagMaterialNeoprene, ZipperColorblack, royal blue, nanny, redthickness3.5mm-5mmPackageEach product one PP bag, 100pcs/ctnCTN measure35*33*49cmN.W4.5KG/CTNG.W5.5KG/CTNMOQ1000pcs