ECR4Kids 2-ply Changing Station Liners were designed with convenience and cleanliness in mind. This pack of 500 liners can be used with with baby changing table or by moms on the go. Pads are made of 2-ply paper lined with waterproof plastic to keep surfaces dry and clean. Pads are pre-folded for convenience and fit in most changing pad dispensers - pair with ECR4Kids Horizontal Baby Changing Station for optimal use. Paper pads are lined with waterproof plastic to keep surfaces clean and dr. Individual sheets measure 13" W x 18" L. With a concentration on the Pre K-12 sector, ECR4Kids offers a wide range of products including classroom tables and chairs, preschool rest time solutions, hardwood storage cases, blocks and manipulative, mobile organizers and a variety of indoor and outdoor play structures.