These are the .030 x 8.5 x 11inch Plastic Sheets from K&S Precision Metals. 1310
FEATURES
Clear plastic
May be used for forming canopies, windows, windshields, and more
INCLUDES
Two .030 x 8.5 x 11″ Plastic Sheets
SPECIFICATIONS
Height: 11″ (279mm)
Width: 8.5″ (216mm)
Thickness: .030″ (0.76mm)