This is a roller bandage that has a dressing pad sewn into it. The bandage is usually lightweight with some elasticity. A roller bandage needs to be chosen carefully to ensure that it is the correct width for the body part involved.
Gauze bandage coated with Plaster of Paris. The bandage is wrapped around a plastic spool designed to wet quickly and evenly when immersed. Once the bandage gets wet, it forms a hard and hard structure that is both porous and absorbent.