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: DistinctAndUnique Clear PVC Piano Style Living Hinge for 3/16" (4.5mm) or 1/8" (3mm) Material: No Screws or Glue - DIY for Plexiglass, Acrylic, Glass & More (24 inch, 2 Pack) :
Amazon.com: Acrylic Sheet Clear Cast Plexiglass 8 x 8 inches Square Panel 1/8 Thick (3mm) Clear Plastic Plexi Perspex Plate Panel with Protective Film for Signs, DIY Display Projects, Craft : Industrial & Scientific