Safety: thickened to 1.2 mm, efficient waterproof, sunscreen, antifreeze, anti-aging
Structure: two independent airbags are used, if one is damaged, the other three are not affected
Flexible for all occasions, convenient, easy to store, multiple postures
In spring, summer and autumn, it will expand for 80% for the first time. After 8 hours, it can be used effectively.
In the winter, it is recommended to inflate after indoors for 24 hours, otherwise it may cause the crease to rupture and cause air leakage.