CLEAR Acrylic Sheets 3/64" (1mm) Thick Easy to Cut PlexiGlass with Protective Film for Signs, DIY Display Projects, Crafts, Picture Frame Glass Replacement etc.
Amazon.com: Large Plexiglass Sheet 24x36 Acrylic Sheet 0.04 Inch 1mm Thick PET Plastic Panel Perfect for Pet Barriers, Railing Guards, Screen Door, Deck Protect, Table Mat and More (3 Pack) : Pet Supplies
Amazon.com: Acrylic Sheet Clear Cast Plexiglass 8 x 8 inches Square Panel 0.04" Thick (1mm) Clear Plastic Plexi Perspex Plate Panel with Protective Film for Signs, DIY Display Projects, Craft : Industrial