1. Material: PU 2. Process: waterproof lamination 3. Suitable age: No. 4 is suitable for 7-10 years old, No. 5 is suitable for 10 years old and above 4. Size: size 4: about 19 cm in diameter, size 5: about 21.5 cm in diameter 5. The leather is soft and delicate, not hurting the feet 6. Sealed inner tank, wear-resistant and kick-resistant 7. Precise engraving, good airtightness 8. Note: delivery is not inflated, inflatable tools need to be purchased
