Q：Types of air cushion
A:Self-inflation type
Such products place open air bubbles，such as sponges，between two layers of fabric.When the air nozzle opens and the foam expands，the cushion automatically inflates，and the foam retains air and heat.
B:Non-automatic inflatable type
Lightweight and portable，they usually rely on synthetic fibres or obstructed structures to insulate them and inflate them to separate the body from the ground.
Q：How to choose
We usually consider the weight of the blow-up lilo，comfort and warm，if you walk to dstant places，important is very important，if use in a cold climate，warm problem is particularly important，also need to consider what kind of place in（rock，snow，grass），environmental temperature，physical contact with the blow-up lilo area（or lie down on you back，and the full filling degree of blow-up lilo.
Q：Washing
It is recommended to wipe the dirty places with a clean towel on the surface，and try to keep them clean when using them.
