1/2 in. x 4 ft. x 8 ft. White PVC Sheet Panel 190360 - The Home Depot
Acrylic Sheet - Black - 1/2 inch thick - various sizes – Falken Design
0.472" (1/2 inch) x 24" x 36", Acrylic, Plexiglass Plastic Sheet, Cast, White 73 | eBay
1/2" x 12" x 12" HDPE Sheet | U.S. Plastic Corp.
4X8 1/2 Inch Plastic HDPE Polyethylene Board Thick HDPE Sheet Black Weight - China HDPE Sheet 1/2 and 1/2 HDPE Sheet
1/2 Inch Plastic and Sheet Metal Hole Plugs - 25 Pieces
PLASKOLITE 0.157-in T x 30-in W x 36-in L White Corrugated Plastic Sheet in the Polycarbonate & Acrylic Sheets department at Lowes.com
BuyPlastic White HDPE StarBoard AS, Anti Skid Marine Grade Plastic Sheet 1/2" x 6" x 27" , Diamond Pattern High Density Polyethylene Panel - Walmart.com
SIBE-R PLASTIC SUPPLY 12" x 27" x 1/2 inch Thick - Black Marine Board: Amazon.com: Industrial & Scientific