No nails - Comes with adhesive sticker and never damage your wall, Transparent hook leaves no marks on the wall Strong Adhesive Sticker - Each sticker able to bear 3kg Size - 6cmx6cm(LxW) Waterproof Easy Installation - Can be installed in any smooth surface, ceramic tile, glass, frosted glass, smooth wood, marble [Make sure there is no gap under the adhesive sticker when installing, Not suitable for small ceramic tiles, at least 10x10cm]
