Cozy & Soft Surface: Smooth bamboo jacquard surface, naturally, breathable cover is skin-friendly for baby and measures 38 x 24 inch with rounded corners to make sure mini crib mattress can perfectly fit. And Its intended for toddlers above two years old. | Breathable & Cozy Dual Sided Mattress: Integrated with gel foam and high-density support foam, the firmer flat and even surface promotes proper support for infant, slightly softer foam side provides maximum comfort for toddler. The mini crib mattress is engineered to optimize air flow and reduce trapped body heat, giving your baby a cool and comfortable sleep environment, make your baby sleep more comfortably. | Non-slip Bottom Structure: The non-slip gripping dots ensure the mattress stays in place, It's best protection at daycare time even if your little one is rolling or playing on mini crib mattress. Since the product can be also used without a pmini crib as well for the perfect baby sleeping mat. | Removable and Waterproof Zippered Cover: Removable soft OEKO-TEX standard 100 certified cover with smooth bamboo surface and waterproof layer is made of food-grade TPU that won't make a crinkly plastic noise when your baby moves, and against everyday liquids and stains. It's extremely soft to the touch for your baby, you never have to worry about accidents and keeping your mattress clean. | Biloban's Life-time Guarantee: Quality you can trust, if the playard mattress topper does not meet your needs for any reason, replacement or money back, no questions asked. After you received the product, please allow 3 days (in warm weather) to 3 weeks (in cold weather) for the topper to fully expand.