【Tri-Fold Design for Easy Carrying】 Tri-fold design allows you to easily fold up your mattress into our carrying bag, which is convenient for you to use, store and travel with. The compact size doesn't take up too much space, so you can store it in any ideal corner..【3'' Think Comfortable & Breathable Foam】 Made of 3" high-quality skin-friendly 40D memory foam, our baby mattress can provide strong support to baby's vertebra and help newborns get maximum comfort. Designed with air bleed, the mattress topper can also discharge air, reduce body heat and then keep a balance between firm support and soft comfort..【Fit Most standard Bed】 We have carefully designed rounded corners and superior edge support in order to create a snug fit. In this way, our baby crib mattress can fit most standard full-size crib and toddler bed. It provides newborns with totally safe spaces..【Removable Cover & Easy Cleaning】 The cover of our mattress is removable, simplifying the cleaning process and helping to maintain the original condition of memory foam. You can easily wash it in the washing machine to keep your kid’s sleep environment fresh, clean, and cozy..【Wide Usage for Application】 Our mattress's size: 38''x26''x3'', this can not only be used in the baby's play yard, it can also be placed in other places to perform different functions. You can also put it in a baby fence for protection, or make it as a creeping mat for protecting babies from damaging.