Cross-linked Polyethylene closed cell foam, very resistant to water, chemicals. Perfect for cutting into pattern pieces and gluing together to form shapes. Imagine the panels in a beach ball made out of foam. Seams can be rasped even. Available in 3/4" thickness, black or white.
Scrap boxes may contain white and/or black pieces, and different thicknesses, depending on availability. To add a scrap box to your cart, select Box under the size drop-down menu.