DescriptionMade by plastic material, durable and wearproof, design for long time use. Fit with curtain rail, easy to install and easy to use. Combine alloy and alloy material together, can hold curtain steady.Features- Color: As shown. - Material: Alloy, plastic. - Size: 3.60X2.00X1.60cm/1.41X0.79X0.63 inch. - Made of alloy and plastic material, resistant to rust and corrosion, long using time. - Thickened wheel carrier is good for different weight of curtains. - These wheels will fit most standard traversing rods. Easy to install and use. - Easy to use: These curtain rollers hold the curtains sturdy, easy to hangs and remove, good with any color curtains. - Widely used in windows, closets, bedrooms, office, restaurants, sliding doors, etc.