I bought a different brand mattress and box spring and they were good but when I bought a flat box spring (4ft) I needed something that would fit. SafeRest is the first I've found of this size and they have a good reputation. I took everything on myself. Others had a zipper that opened at the bottom and about 1/3 down the side. So I had to put them on like a pillowcase. Probably not bad for 2 people. This closes almost completely. I don't know what to compare it to, but you can put a feather block on top and then zip it up. Of course it was a smaller spring, but the design is much better. I also really like the material. Another brand felt like it might tear if caught on something and felt like it would last longer. I will keep another brand on my mattress but if I ever need to replace it I will buy SafeRest.
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