Color: Beige,Silver Tone; Total Size: 15 x 13 x 24mm/0.6" x 0.5" x 0.94"(L*W*H)Material: Plastic; Net Weight: 16gPackage Content: 10 x Curtain Track Rollers; Product Name: Curtain Track RollerRoller Diameter: 10mm/ 0.4"Oval Ring Size: 13 x 9mm/0.5" x 0.35"(L*W)1.These rollers are made of plastic material, you will never worry about blemishing your beautiful curtain.2. and widely used in home, office, restaurant, hotel, etc.