??SIZE?10"Air Filled Tires,Note: Check your tire size. Made of new materials, strong and durable. ?[Easy to install] You can replace tires and inner tubes by yourself, easy to install and remove. Same as repairing a bicycle. ?[Comfortable riding]: Air wheel riding is obviously comfortable. When you are riding on the road, you are standing. When bumps, the tires are cushioned to avoid violent shaking of hands and feet, thereby protecting the safety of you and your family (especially children). If the solid wheel is worn out during braking. The tires are not round anymore, the ride will be bumpy, please pay attention to safety. ?[High quality material] Made of brand new rubber material, excellent flexibility and cushioning ability. Super wear-resistant, longer distance riding. ?[Quality Assurance] If you are not satisfied with our products, If you have any questions, you can contact us.