Cast Acrylic Sheet - 12" x 12" - Clear - 3mm Thick - Used in Art Installations, Models, Display & Signage, Windows, Aquariums, Trophies, Picture Frames, Furniture - Transparent & Easy to Fabricate : Industrial & Scientific - Amazon.com
Amazon.com: Clear Plexiglass Acrylic Sheet 12x12 Inches, 3mm (1/8 inch Thickness) Unbreakable and Lightweight Substitute for Glasses, Great Use for Sneeze Guard, Shield, Greenhouse, Poster Frames : Industrial & Scientific
3mm Acrylic Plastic Sheet, Size: 8x4 Feet, Thickness: 3 mm