Light Weight Plaster
These are wrapped around the injury over a stockinette and cotton padding. Synthetic casts can be different colors. A synthetic cast is lighter than plaster. It dries in a few minutes, but may take a few hours to harden fully.
Fiberglass casts are being used much more frequently nowadays given the numerous benefits that fiberglass has over plaster. These casts come in many colors, are lightweight, and make it more convenient for patients to deal with a broken bone.