The utility model adopts a split type structure, and the utility model has a plurality of independent gas charging holes which can be divided into a plurality of regions, and the leakage of a region does not affect the use of other areas.
Children safety buckle, the operation is simple and convenient, can freely adjust the size, more personal, comfortable. The design of double lock, more security.
Solid color pattern design collocation bright conspicuous color, arents can e
