With the Wet and Set Plaster roll you can quickly and easily create cool masks, molds, and sculptures, without a mess. Plaster Roll is 4-inches wide. Choose from 9-feet long or 15-feet long. With the Wet and Set Plaster Roll you can cut, wet and make masks, plaster molds, sculptures and more... without a mess! This plaster dries within 30 minutes, and then dry you can apply paint or other embellishments to your fine works of art.