Coming from using a standard $25 inflatable queen for years and convincing ourselves we didn't need anything more, this Coleman double high mattress proved us very wrong. It's sturdy & comfortable and the added height is something we didn't know we needed. The double lock air valve is great in theory, but our mattress did deflate a little bit each night. Not a lot by any means, but a little. We used it for 4 nights without needing to pump it up again, but would most likely have needed to after another couple. We pumped it up with a standard cheapo 12V mattress pump, plugged into the cigarette lighter in our car, worked fine. Wouldn't recommend a hand/foot pump with this one. All in all, would buy again.