Thehook is made of aluminum, which is durable and will not deform or rust even in humid environments self-adhesive for conveniently stick it firmly, gentle to use for kitchen, hallway, bed room and more, permitting extra items to be hung on:AluminiumSize: 4 * 4List: 2 * HooksNote:1.Due to the sunshine and show surroundings difference, the item's color may be slightly diversified from the pictures. Please enable slight size difference because of various handbook measurement.