Quiet: This curtain rail track pulley operates silently, ensuring smooth and noise-free movement. The compartment curtain tracks feature easy-sliding gliders for seamless operation. Lightweight: The wheels glide smoothly along the track. The pulley is lightweight yet offers high load-bearing capacity and strong environmental adaptability. Material: The curtain roller gliders are made of PP material, providing a lightweight design that rolls and slides smoothly within the track. Easy to Use: This curtain rail track pulley fits most square pulley tracks and is suitable for curtains, drapes, valances, and shower curtains. Curtain Accessory: These pulleys are ideal for installing curtain panels in wardrobes, offices, bedrooms, restaurants, sliding doors, and more. Specification: Material: PP Size: 2.5 cm x 1 cm (0.98 inch x 0.39 inch) Package Includes: 100 x Curtain Rail Pulley Note: Slight measurement variations may occur due to manual measurement and different display monitors.