Fused Plastic Tutorial: layer abt 6 layers of plastic (trash bags, grocery bags, plastic table cloth, whatever) between heavy paper. iron with hot iron (keep it moving) until it's all fused. peel the paper off.
How To Fuse Plastic Bags: Ironing plastic shopping bags together creates a versatile material that can be used in countless craft projects. It's waterproof, flexible, easy to work with, and a cinch to make.