Superior Material & Size: These hangers are made of superior ABS Plastic, which is much more sturdy than common PP Plastic. Size of each one is 1.65x0.79 inch. Invisible & Traceless: Compared with other hooks, the design of these hooks only leaves very small pinholes that are barely noticeable, preventing your walls from damage. Applicable Walls: It is widely suitable for walls like concrete/cement wall, stucco/plaster wall, wallpaper/wooden wall. These hooks are very sturdy and heavy duty, can be used for a long time. Enough Quantities for Wide Use: It includes 40 pack wall hooks. These can be used for hanging items such as tapestry, mirror, and more. Easy to Install: All you need is a hammer and no drilling needed. It is very easy to install. Saving your time and enjoying your beautiful home decorations. Colour: White Material: Plastic Size: 4.2cm Package Contents: 40 x Hooks Only the above package content, other items are not included. Note: Light reflection and different displays may cause the color of the item in the image to appear slightly different from the real thing. The measurement allowed error is +/- 1-3cm.