A pack of 5 Rigid Plastic safety signs. Ideal for a construction site start up. (900 x 600mm) 1 x Construction work in progress 1 x Heavy machinery operates on this site (400 x 600mm) 1 x Hard hats must be worn at all times (600 x 400mm) 1 x You are now entering a designated area (400 x 300mm) 1 x Site safety starts here