Features 1、Fast Riding: Tires can roll quickly, high traction tread, faster and more comfortable ride. 2、Patterned Surface: Provide good grip on uneven roads, such as asphalt roads or sidewalks. 3、Children's Bicycle Tires: Checkered pattern, stylish appearance, sporty, and extremely flexible tires. 4、Thicker Rubber: Natural rubber accounts for a larger proportion of weight, making tires lighter and more wear resistant. 5、Understand Tire Model: Specifications marked on the side of the tire 12x2.125in: 12in refers to tire diameter, 2.125in tire width, recommended to match 12x2.125 inner tubes, and so on. Item Type: Children's Bicycle Tires Color: As Pictures Shown Material: Natural Rubber How Do I Know My Tire Model? Specifications Marked on the Side of the Tire 12x2.125in : 12in Refers to Tire Diameter 2.125in Tire Width Recommended to Match 12x2.125 Inner Tubes, and So On 40P.S.I(275KPa)(2.75BAR) Package List 1 x Children's Bicycle Tires