Amazon.com: 5 Pieces Acrylic Sheet Clear Cast Plexiglass 12 x 12 inches Square Panel 1/8 Thick (3mm) Clear Plastic Plexi Perspex Plate Panel with Protective Paper for Signs, DIY Display Projects, Craft :
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
Amazon.com: DARENYI Black ABS Plastic Sheet, 12" x 16" 1/8" Thick (3mm), Flexible Than Plexiglass Sheet, Moldable Than Acrylic Sheet, DIY Material for Home Decor, Craft Projects (2 Pack, Smooth & Textured