Product Name: Trolley WheelHole depth: 3.8 cm / 1.5 inchHole inner diameter: 0.7 cm / 0.3 inchWheel size: 15.8 x 3.4 cm / 6.2 inch x 1.3 inch (D * T)Material: Plastic, foam; Color: ; Weight: 192 g2 pieces Shopping, with black plastic form a central core and a embossed foam.Replaceable cartwheel for attachment to the cart, handcart station, travel luggage and prams bicycle.Easy and convenient for installation, durable and practical wagon wheel, provides comfort for and luggage.Package Contents:2 x cartwheelsOnly the above package content, other products are not included.Note:Light and different displays may cause the color of the item in the a little different from the real thing.The measurement allowed error is +/- 1-3cm.