Features: 1. Front wheel brake: Using wear-resistant material, you can brake by tapping the ground with your feet, which is convenient and labor-saving. 2. The shoelace design, and the tightness of the shoelace can be controlled according to the size of your own foot. 3. PVC wheel: the material is made of high quality PC material, which has the advantages of strong wear resistance and so on. 4. The tightness of the ankle is ajustable. Loosen the screw, can adjust the length. 5. Double row 4-wheel, adjustable design, great for kids skating. Notice: 1. Actual color may be slightly different from the image due to different monitor and light effect. Please allow slight deviation due to manual measurement. 2. Asian size is smaller than EU/US/UK size, please compare the detail sizes with yours before purchasing. Specification: Product Name: Children's roller skates Material: S: Bracket: plastic Upper: Soft PU Wheels: PVC wheels M: Bracket: iron Upper: Soft PU Wheel: PVC plastic wheel + iron bearing Size: S/M(adjustable) Size Suitable shoe size Insole length S 26-32 16cm-21cm M 32-40 19cm-25cm Package List: 1 pair x roller skates