Crib Mattress Cover by Comfort Armor - Crib Size Premium Mattress Protector, Vinyl Free Breathable Fabric with 10 year Warranty <span class="a-text-bold">1 </span>Cotton Terry Surface <span class="a-text-bold">2</span> Polyurethane Barrier <span class="a-text-bold">3</span> Protects against Dust Mites &amp; Bacteria FITTED SHEET: Fitted sheet fits all mattress depths up to 18&#034; SUPERIOR QUALITY FREE FROM VINYL, PVC, PHTHALATES. MACHINE WASHABLE (see care instructions insert) We believe that the smallest contribution can make a huge impact in others. We believe in Pay it Forward, We believe in Love and Kindness. And we believe that we all have a social responsibility in this world. That&#039;s why a percentage of your purchase is dedicated to Homeless shelters in USA and third world countries.