WELL-MADE and MATERIALS--Won't fray at edges, sealed and stitched seams, top and bottom for longer life with no glue. Waterproof neoprene material has no odor, extra insulation. Great stretch ability, strong and durable, machine washable. ZIPPER DESIGN--Makes your beer easy to take off and put on, folds easily to fit into your pocket or purse. Won't fray at edges, sealed and stitched seams, top and bottom for longer life perfect for home bar and picnic, make your life more beautiful with no glue. Product Name: Beer Bottle Koozies Colour:black Material:Neoprene Size:about 19 x 6.5cm Capacity: 330ml (12oz) Package Contents: 5 x Beer Bottle Cooler Sleeves Only the above package content, other products are not included. Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.