Hiccapop Playard Mattress Pad (38"x26"x1.25"), Playpen Pad, Portable Crib Mattress with Carry Bag, 1.25" Thick

"5.0 out of 5 stars" - To preface, I have a Graco Quick Connect Pack n Play with Portable napper. The sleep space measures 35 in x 26 in. I am comparing this mattress with a Dream ON Me 3 in foam mattress. I was nervous to purchase because both measures 38 in long. I read quite a few reviews that this would not fit our pack n play, being too big. I needed something anyway for travel and decided to purchase this first. My plan was to remove the cover and cut some of the foam off. Shipping delays occurred and I ended up buying the Dream on Me. However, they both arrived in time. When I got them and tried them out, I was able to push them down in tightly and get a decent fit. With them being memory foam, there's quite a bit of wiggle room. I went along the edges and pushed it down until it was even. It has a nice tight fit and there is no buckling or uneven areas. This Hiccapop mattress itself is really nice. The foam is covered by a very thin protector and then there is a really soft removable cover. I planned on using a sheet, but the cover is so soft I'm not sure I will need it. In comparison, they both fit my pack n play- its a tight fit, but it worked once I squished the edges down. The Dream on Me isn't as comfortable on the outside, as it is covered with a thick plastic-feel cover, but that could be remedied with a mattress pad. A Con to this Hiccapop and Pro to the Dream on Me is the firmness. The hiccapop has a soft and firm side. Soft side says 9 mo plus, but IMO, it is way too soft for a 9 mo old. I am not comfortable with my belly sleeping 10 mo old sleeping on it. Maybe if he slept on his back. The firm side is actually pretty soft and squishy too. My son is 21 lbs, he does 'sink in' a little still on the firm side, but its not enough that I'm uncomfortable letting him sleep. A smaller baby likely wouldn't weigh as much as mine and likely wouldn't compress as much. The dream on me 3 in foam mattress is much more firm like a traditional crib mattress and I think it would be better suited for a smaller baby who really needs that super firm support. Overall, I think they are both really nice. I actually am having a difficult time deciding which to keep. I like the soft feel of the hiccapop and am a fan of the brand in general. But the firmness of the Dream on Me is likely better for safe sleep. I plan on testing with some naps and see how he does a with each.Update- We decided to keep the Hiccapop and use it. Our trial naps went well on it and even being 21lbs, he didnt sink in as much as I originally thought he did. We used the firm side. Our baby slept very well in this for 5 nights. We used the firm side, but probably wouldve been ok with the soft side. It held up very nicely. A regular pack n play sheet did not fit on it however. But the cover that comes with it is very soft and nice so it worked fine.