warning to avoid injury do not tell me how to do my job, 5.38" X 7.47" medium size, funny, humor, Hard Hat, lunch box, tool box, Helmet Stickers 5.38" X 7.47" vinyl sticker for tool boxes, lunch boxes, windows, etc. Self sticking vinyl decal. Strong adhesive for long use. Protective laminate overlay to prevent fading and scratching I Make Decals decal Protective laminate overlay to prevent fading and scratching. Self sticking vinyl decal. Strong adhesive for long use Contact us for custom sizes, or bulk discounts. Additional or lessor charges may apply.