Comfortable Fabric and Quiet Design: Skin friendly cotton surface, perfect for your baby's sensitive skin. inner down alternative fiber filling increases absorbency, and the middle use waterproof layer prevents leaking. And the extra bottom fabric back offers extra protection. Four layers design ensure the mini crib mattress cover provide a quiet sleep or play environment. | Ultimate Protection:Use the premium waterproof membrane is breathable that protects your baby from no matter what kind of liquid may come. Moreover, this mattress pad protector /mattress pad cover is vinyl-free and ideal for your children. | Softness and absorbent filling: The quilted design and optimum padding of our pack and play mattress sheets fitted give just the right amount of softness and support for your baby to sleep or play. And we use extra comfortable filling that can also absorbs any liquids almost instantly and the fully waterproof lining protects your expensive mattress. | Perfectly Fit: The mattress pad protector dimension 27 x 39 x 5 inches, this waterproof mattress cover designed specifically for the pack and play mattress(38"x 26"), mini/portable crib mattress (38"x24") or a foldable playard mattress, including fit for Graco pack and play, Dream on Me or hiccapop pack and play mattress, Papablic pack and play mattress, portable mini crib mattress. If you have a this kind mini mattress, This mini crib mattress protector is a must. | Moonsea Guarantee: As cotton fabric may shrink after washing, we specially enlarged the size when we produced it, so it may be a little big when you received it, but will be more suitable after washing. The product quality you can trust so you can buy at ease. If there is any problem with our pack and play mattress pad cover, please contact us and we can replace for you or money back without excuses.