It has good insulation to avoid shock and protect inside laptop broke when transportation. Materials: 3MM neoprene with double nylon jersey laminated . with zipper Open and PP handle.Construction: Straight stitching, overlock , flatlock, zigzag are available. Bartake on the end of stitching.Logos: printing. Embroidery.rubber badge , heat transfer are availablePacking: 1 pcs into 1 PP bag. 100 pcs ...