what material is the mattress protector made from? Customer Service Follow the mattress protector is made from 100% soft cotton flannel fabric Related articles Is the mattress protector fitted or flat? are the mattresses covered by warranty? what is the width between each crib slat? Does the universal change tray fit on all bloom cribs & dressers? how can I locate my crib model number to purchase the correct toddler rail? Comments 0 comments Please sign in to leave a comment.