Great but saggy on the side

We used it over the weekend for our guest who stayed overnight and it was the best thing ever, much much better than a sleeping bag on the floor. It was so easy to pump up. We opened the lid on the side and the cord was tucked inside. We plugs it into ge outlet, turn it on, and within 5 minutes the whole bed was up and firm. It was comfortable but the sides got a little soft and saggy after a day or two. I suppose your suppose to kind of re-pump it each day so it stays firm? After we were done, we plug it back in and turn to deflate mode and it gets all the air out. Once it’s deflated, you can fold it back up and store it into the storage box. It’s perfect for guests.

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