No-Rinse Body Wash 8oz Bottle

I have two Varilite evolution cushions. The concept and design is generally good, except for the air valve. The first cushion I purchased maintained air pressure throughout the day for about a year then the valve seems to leak air and requires transferring out of the chair to allow air to firm it up again. After a couple of months of tolerating the inconvenience , I decided to buy a replacement. This time I ordered the same model, but with the newer PSV valve. After a year or so, it developed the same problem - it loses air after about 2 - 3 hours. I am a 200 lbs male and don't consider myself heavy. I contacted the vendor and sent it back to be checked for the leak. The vendor said they checked it out and found no leak. When asked if the tested the cushion under pressure to simulate someone sitting on it and they said they did not, and stand by their assessment that nothing is wrong with it. I found the cushion comfortable, light and easy to maintain, but beware that i...