Product Description: Material:Plastic+Metal Color:White Feature:Eco-Friendly Features: 1.The biggest feature of each hook is that it will not leave any trace on the wall, maintaining the integrity of the wall and helping to protect the wall from damage. 2.After hanging the photo frame, it is hidden and cannot be found. 3.Applicable to home, classroom, workplace and other art decoration, such as clock, blackboard, photo frame, photo wall, small mirror, clothes, keys, umbrella, wall decoration, luggage, office pendants, etc. 4.Suitable for all kinds of surfaces: brick wall, concrete wall, cement wall, plaster wall, lime wall,wood, wooden door, wall. 5.Easy for hanging large and heavy objects like photos, paintings or other hanging ornaments. Package Included: 1 x Hook Notes: 1.Transition:1cm=10mm=0.39inch,1g=0.001kg=0.0022lb=0.035oz. 2.Due to the screen difference,the color may be a little different from what you expect,please allow it. Made of durable, long lasting materials,could load weight 17 lbs most. The hook will leave tiny minimal marks on the wall,after hanging the photo frame,it is hidden and cannot be found,fit for hard wood and solid walls. Suitable for hanging keys, pictures,clothes,photo frame and other items. Package contents 1.6 inch long hooks.