Worbla's Finest Art Thermoplastic Sheets are a brown thermoplastic sheet that can be safely shaped by hand with a heat source to create cosplay pieces, classroom projects, and art projects. This non-toxic, skin-safe material is self-adhesive when activated. Finished pieces are rigid and virtually indestructible. - Worbla Finest Art Thermoplastic Sheets - MediumWorbla, MEDIUM 29.5INX19.5IN -