Features: * Made of polyurethane material, silent, wear-resistant and highly elastic *Excellent gripping ability, not easy to slip * High-speed bearings, long service life *A variety of sizes are available, please confirm the size before purchasing * Widely applicable: scooters, roller skates, trolleys, shopping carts, furniture, wheelchairs, etc. Specifications: *Product Name: Scooter Wheel *Material: polyurethane+PP plastic *Size: approx. [Diameter*width (wheelbase)] Size1: 125mm*24mm (5.0inch) Size2: 145mm*30mm (5.7inch) Size3: 180mm*30mm (7.0inch) Size4: 200mm*40mm (7.8inch) Center hole diameter: 8mm *Color: black transparent *Weight: about 300g-600g Package Content: 2 x Scooter Wheel Note: 1. The real color of the item may be slightly different from the pictures shown on website caused by many factors such as brightness of your monitor and light brightness. Silent and Highly Elastic:These scooter wheels are made of polyurethane material, providing a silent and smooth ride. The high elasticity ensures excellent shock absorption and a comfortable skating experience. Excellent Gripping Ability:With their superior gripping ability, these wheels provide excellent traction and stability, that you won't easily slip or lose control while skating or rolling. for Durable and Long-lasting:Equipped with high-speed bearings, these wheels have a long service life and offer a smooth and effortless rolling motion. You can enjoy hours of continuous riding without worrying about wear and tear. Available in Multiple Sizes:Choose the right size for your specific needs. We offer a variety of sizes, including 125mm, 145mm, 180mm, and 200mm in diameter, catering to different scooters, roller skates, trolleys, shopping carts, furniture, wheelchairs, and more. Please for ensure to check the size before making a purchase.