... boardDouble-faced FPCCircuit board colorsYellow, white,black and greenCircuit board sizeLength Xwidth 500x5mm/500x 8mmPackage size46X32 ... and the back is sticked with 3 M glues, may be pastefreely , safety & solid.Application:1. lighting indicator, adv signboard, LED guard ... bar and so on.2. cars, boats ,Furniture lighting3. cabaret, ...