Usage Tips:About this item Size: Total length: 1.6cm, width: 0.8cm, diameter of circle center: 0.5cm, track width: 0.4cm Curtain hooks are made of durable PVC material, which is stronger and more durable than ordinary hooks, and has a stronger load-carrying capacity, so it won't crack or break. Compared to metal curtains, these curtain hooks will not stain your curtains with rust. Ceiling Flexible Curtain Tracks look great in any setting! Ideal for fixing curtain panels, room dividers, curtains, tulle and drapery. Widely used in windows, closets, bedrooms, living rooms, dining rooms, RVs, trailers Package contains: You will get 100 pieces curtain rail hooks, use them anywhere you want. The curtain rail sliders rail hooks are sturdy and practical curtain device accessory, which can withstand curtains of sizes commonly used in home or office.