This mattress protector is just what I needed to extend the life of my old mattress a little longer with corner to corner waterproof surface I no longer have to worry about expected accident resulting in scrubbing and dry of my mattress. The elastic on this mattress cover is cut large enough to accommodate a mattress pad or something of that nature while still stay on at night. Can be a stretch to cover both my mattress and box spring.So I feel it will easily cover a thicker mattress with no issues. I like that it does not making a crinkling noise when I move around at night. Has a terry cloth top that does not make me sweet or have a weird smell like vinyl mattress protectors do. Easy to care for machine washable and dry but I like to hang it up to dry. The mattress cover as an amazing ten-year warranty on it that is pretty freaking amazing!!