Amazon.com: Black Acrylic Sheet, Plexiglass Sheets 1/4 inch Thick -5 inch x 7 inch Inches with Protective Paper, Cast Acrylic Panel, Black Plexiglass Board, Acrylic Glass Sheet (1/4 inch x 5 inch
Amazon.com: SimbaLux Acrylic Sheet Clear Cast Plexiglass 4” x 6” 0.08” Thick (2mm) Pack of 5 Transparent Plastic Plexi Glass Board with Protective Paper for Photo Frame Replacement, DIY Display Projects, Craft :
Amazon.com: CalPalmy 10 Pack of 5x7” PETG Sheet/Plexiglass Panels 0.040” Thick; Use for Crafting Projects, Picture Frames, Cricut and More; Protective Film That is Safe for Adults and Children : Arts, Crafts