The vango trek seat pad is a quick and easy to use self inflating seat pad that is lightweight and comfortable making it ideal for stuffing in your rucksack and taking with you on your next trekking expedition canoeing or camping trip this seat pad has an easy operation valve which you simply release to allow air to be drawn into the seat to inflate as much or as little as you like just remember to close the valve when you sit on the mat to avoid the embarrassing noise of the air escaping the no