Feature
1. Good heat preservation
The quilted layer is added at the bottom, which can better isolate the ground cold and have better thermal insulation effect
2. Durable
Three layers (wear-resistant and cold-proof layer + sandwich reinforcement layer + laminated insulation layer) thickened sandwich material, layered protection
3. Easy to use
Air ring + bracket structure, as long as the top of the barrel needs to be inflated, the barrel body and bottom do not need to be inflated, and then the bracket can be used, and the installation is very convenient
4. Safe and firm
20mm thick support tube, hexagonal stable, stable like a bathtub