Look no further than the Dream On Me 2 In 1 Breathable Fiber Two Sided 3 Inch Portable Mini Crib Mattress for standard size portable and mini cribs! It’s Greenguard Gold Certified to ensure the highest level of health, safety and peace of mind. All our mattresses are CPSC tested and pass all flammability tests (16 CFR 1632 /1633) phthalate, lead and toxicity tests. The white infant side is covered with a breath flow material while the white embossed toddler side has a waterproof cover with lock stitch seams. Two Certi-Pur certified layers promote airflow and offer cushioned comfort. All our mattresses are designed, engineered and proudly Made in the USA using the best quality materials and meet the most rigorous safety and quality standards. Reinforced, waterproof cover and lock-stitched binding help resist liquids from seeping in. Easy to maintain; simply wipe clean with mild soap and water. Square corners ensure a snug fit. When using this mattress, please make sure it fits tightly in the crib without any gaps between mattress and side walls of the crib. Product dimensions are – 38 L x 24 W x 3 H inches.