Our Bulk Fitted Mat Sheets are a must-have for any preschool or daycare center. These sheets are designed to fit a wide range of mat types and sizes, thanks to Butterfly's innovative deep pocket design. Whether you have a flat, tri-fold or 4-fold mat, our Fitted Mat Sheets will fit perfectly. They work with either a 1" or 2" thick mat and can accommodate sizes ranging from 19" x 45" up to 24" x 48". This bulk pack of 25 sheets ensures you always have a clean sheet on hand for your little ones.