Field Stone HO Scale 1:100 Patterned Plastic Sheets in over 100 different scales and textures allow realism with ease. Easily painted with most flat latex or acrylic based paints. Tips and instructions included Accurately Vacuum Formed in .020 (0.5mm) colored Styrene sheet. The listed scales are only suggestions as many patterns have no definitive size. The photographs provide a decorated image of Stone & Rock. Furnished sheets are undecorated (unpainted) except where noted.