Premium quality 20% thicker luxurious silky soft bamboo viscose terry cloth top with excellent temperature regulation  is ideal for sensitive baby  skin Size 52"x 28" the mattress pad  has an extra strong elastic band around it and fits securely with a 9" skirt around crib mattress with no risk of the sides popping up  by the baby's movements Tested by the world's leading inspection and certification company SGS for inflammability as requested per regulatory of the Consumer Product Safety Improvement Act and for phthalate PVC and lead free Machine wash warm and tumble dry medium Life time warranty