Taffeta Made in US Breathable Mattress cover promotes airflow; 2 layers offer cushioned comfort for infants and toddler Reinforced waterproof cover; Wipe clean with mild soap and warm water Safety Advise: Please ensure Mattress covers or fitted sheets are not too tight or loose over a crib mattress to practices safe sleeping Passes all Flammability tests (16 CFR 1632 /1633) Greenguard Gold Certified for a healthy indoor environment for your baby; Reversible design allows mothers to choice of breathable white side or the printed side.