Light Seller&reg; 40 Pieces Creative Multi Function Invisible Hardwall Drywall Picture-Hanging Hooks Clock Hanger Non-Trace Wall Picture Hook Frame Wedding Photos Mirror Wall Studs (BL-QDX40) Suitable for hard wood and solid walls. NOT suitable for stud walls. Suitable for hanging keys, umbrella, clothes, photo frame, metope adornment , etc. Composed of durable, long lasting materials, the strongest hook could load weight 15+ lbs Totally 40 pcs of multi-function hooks. It is a must have for every family Easy to remove and won't leave a obvious marks.