1/2 in. x 4 ft. x 8 ft. White PVC Sheet Panel 190360 - The Home Depot
10 Pack) PET Sheet Panels - 11" x 14" x 0.03" Clear Acrylic Sheet-Quality Shatterproof, Lightweight, and Affordable Glass Alternative Perfect for Poster Frames, Counter Barriers, and Pet Barriers : Amazon.co.uk: Home