... Stick to any smooth surface,without any adhesive self-adhesive silicone magic hanger hook 1.full clour printing2. ... like glass,ceramic tile,metal,wood,etc.1,Materials: silicone + PET2,Standard thickness: 0.4mm3, Full-color ... than 5kg! (got SGS test report already)self-adhesive silicone magic hanger hook High tech content – it’ ... your mind. And OEM are welcome !! self-adhesive silicone magic hanger hook