A range of 7mm (O Scale) Waterslide Decals (Transfers). Designed by computer by Ian Clasper and marketed by MG Sharp Models. GW-40 - Goods wagons;Consists of 25" GW Lettering, Etc 8 x 5" Sheet. GW-42 - Goods wagons;Consists of 16" GW Lettering, Etc 8 x 5" Sheet.