This harness bag is 31" long by 19" wide. It has a 5" gusset on the bottom and sides to expand. The top of the bag has wire across the top to keep it from folding from the weight of the harness when you hang it up. The zipper opens on the top by the handle. It has 6 plastic snaps to attach various harness part to and a pocket on the outside to hold accessories for your harness.