The AirFrame is double-layer. both layer were made of extra stiff material. We make sure it's quite strong.
Chamber are independent, even if one of the chambers is leaking, it will still be useable.
Once inflated, because it does not has pressure like a water bed. It can hold its shape for 10 days+. without pumping more air!
We have done numerous test and quite confident about the quality.TentTube has a 12-month warranty. All TentTube sold on Kickstarter will have an 18-month warranty(extra time).