Mesh BREATHABLE DESIGN Featuring a fully breathable DreamWeave core and quilted mesh cover to promote maximum airflow helping reduce heat and moisture buildup for cooler safer sleep 100 WASHABLE Both the machinewashable cover and rinseclean polymer core make cleanup easy after spills or blowoutsno special tools or drycleaning needed DUALSIDED FOR GROWTH Infantside provides firm newborn support flip to the waterproof toddler side for potty training and extended usability up to 4 years LIGHTWEIGHT ECOFRIENDLY The core is mostly air and foodgrade polymer making it light enough for quick sheet changes and fully recyclable at end of use NONTOXIC Made without foam glue latex springs or flame retardants Hypoallergenic materials and GREENGUARD Gold certification offer peace