4 x 6" - 4 Mil Parts Bags w/ Hang Hole. These heavy-duty single track zipper seal poly bags are best used for medium to heavy weight products while keeping products clean, protected from dirt, dust and free from moisture. Bags are manufactured from 100% virgin, high clarity low density polyethylene (LDPE) film. Pre-printed white block allows for easily identifying part numbers and quantities. It also ensures consistent labeling. Pre-punched hole in the lip of the bag allows bags to be hung or tied. Reclosable plastic zip lock bags are easy to seal and can be reused. Sizes listed are the inside usable dimensions of the bag. Select from many different reclosable poly bag sizes and mils to fit your packaging, shipping, displaying, organizing and storage needs.