Transparent Cell Cast Plexiglass Sheet: Delvie's Plastics Inc.
Plexiglas 48 in. x 96 in. x 0.220 in. Acrylic sheet 220958 - The Home Depot
Plastic 10mm Clear Acrylic Sheet
BuyPlastic 7508 White Solid Colored Acrylic Plexiglass Sheet , Choose Size and Thickness, 1/4" x 18" x 24", Plastic Plexi Glass for Crafts, Art, and More - Walmart.com