Because it"s not easy keeping babies or their sheets clean. It"s always a good idea to have a few extra Pack "n Play playard sheets stacked on your shelves. This soft and gentle Pack "n Play playard sheet 27" x 39" works with most brands of standard size playards. These sheets are imported. It is made up of cotton and poly blend. The size is 27" x 39". This sheet fits most portable playards. The cotton poly sheet helps keep baby cozy and helps maintain a cleaner playard.