there are 24 pieces of hat shelf for wall that are adhesive on the back, which is convenient to use and enough for your , help keep your hats securely in place.the hat wall hooks have strong viscosity that can keep for years without having to worry about falling down, and the maximum load bearing capacity is 3 lbs; 't attach these hooks on the wallpaper or rough surface.the baseball holder is simple stylish, can compatible with any other modern designed home decor, will be invisible when you hang a hat on it, giving your home and office a modern and clean look.the hat display rack is self adhesive, and you just need to attach it to the proper position you to hang, no drilling , no , and no nail; The protection film wrapped over the hook is to protect it from scratching, using.suitable for a of hats like snap back, beret, hat, fedora hat, sunhat, the holder organizer can also be applied as a headphone rack or to stack that are under 3 lbs.Colour:WhiteMaterial:plasticSize:about 45mmPackage Contents:24 x Adhesive Hat HooksOnly the above package content, other products are not included.Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.