Amazon.com: 3 Pack PET Sheet Panels - 12" x 24" x 0.04" Clear Acrylic Sheet-Quality Shatterproof, Lightweight, and Affordable Glass Alternative Perfect for Poster Frames, Counter Barriers, and Pet Barriers. : Industrial
Plexiglas - Plexiglass - Glass & Plastic Sheets - The Home Depot
Amazon.com: Rock Hard Plastics - 12" x 12" Black Acrylic Sheet Lucite Plexiglass (Actual Size 11.875" x 11.875" - .118" (1/8") : Industrial & Scientific