self inflating mattresses

Hi, I have a single dune 4wd mat which I have used many times with no issues and it is rolled up and stored after each time. On my most recent trip I notice that the mat is now twisted. So it bends up on opposite corners. Could anyone advise how I can fix this? Thank you

Hi guys, I recently bought 2 King single Dune 4wd premium jumbo self inflating mats from anaconda, after letting them inflate for 48 hours I closed the air valves and layed down, and it feels like all the air is trapped above the foam? Like it bubbles up when you move around like an air...