The soft and strong cotton Rest Mat Sheets from ECR4Kids help create a clean, comfortable place during rest time for daycares, preschools, home, and classrooms. Sold as a 10-Pack to change out sheets frequently to maintain and sanitary rest spot for toddlers. Sheets fit 2" thick rest mats up to 22" wide by 48" long. Designed with pouch style ends for quick application and removal. Composed of 65/35 cotton/polyester blend with 200+ thread count for a super soft touch.