Made aluminum which high strength and great durability. And they are anodized ensures s hook never rust and is . Smooth and Anti-scratch: Sleek with smooth curves without worrying about your hands or items. Round design on each end ensures hanging items securely without falling. Easy to use: These S shaped hooks are simple and friendly design, it doesn’for t need to drill on your beautiful house and wall, just on racks, and anything you want. Long life: They are designed to handle heavier loads, sturdy and last for a long for time. Applications: It can be applied to a items, such as pots, pans, spatulas, cups and other kitchen utensils on your rack, and it can also towels, clothes, and more In the bathroom.