My DMH Outdoors 4WD self-inflating mattresses have had a hard life. One of the four mattresses that I purchased now has a puncture in it and needed to be repaired. We have both the DMH Outdoors Off-Road (10 cm) and Bush-Mate (8 cm) 4WD self-inflating mattresses. They have been used on numerous camping trips, but also were used for a couple of months as our primary beds after we were flooded in the Queensland 2011 floods. … more »