White Cast Acrylic Plexiglass Sheets 1/4” Thick (6 mm) Easy to Cut Plastic Plexi Glass with Protective Paper for Signs, DIY Display Projects, Crafts, Shelves (16" x 16") : Amazon.ca: Industrial & Scientific
Amazon.com: Amazing Abby Sneeze Guard - 24" W x 24" H Extra-Thick (1/4", 6mm) Transparent Acrylic Plexiglass Protection Shield for Counter and Desk : Tools & Home Improvement
Amazon.com: Zuvas Black Plexiglass Sheet 11.8'' x 15.75'' 0.2cm 2 Pack Cast Acrylic Sheet, DIY Materials for Home Decor, Handcraft, Painting, Photography, Pet Tag, Switch Panel, Display Stand, * : Industrial & Scientific