Warning Signs Where Signs costs less.... WARNING signs Our comprehensive range of WARNING signage including CAUTION GUARD DOGS, DANGER ASBESTOS, DANGER 110 VOLTS, WARNING FLAMMABLE GAS etc etc Available in a variety of sizes Choice of either RIGID or STICKER RIGID = A solid sign made from quality 3mm thick Foamex plastic board, light weight, strong and durable, easily drilled, suitable for internal and external fixing. STICKER = A self adhesive Vinyl sticker , perfect for easy display, just peel and stick where necessary . SAV signs. >