We believe your baby's safety is top priority, and the Zipped Contour Baby Changing Pad provides an added measure of childcare security. This changing pad features a zipped vinyl cover, making this pad more convenient for mothers who wish to reuse their Contour Changing Pad. Whether you need to replace a worn vinyl cover or are expecting another child, simply unzip the Zipped Contour Changing Pad's cover and replace it with a new one. The contour pad's unique four-wall design helps to protect your baby from rolling or sliding off the pad during changing time. Safety straps have also been sewn into the pad to help keep your baby securely in place. The pad's high quality, soft quilted vinyl provides a waterproof surface for easy clean up, and the unique tie-down screws and snaps allows you to secure the pad onto any changing table. The Zipped Contour Changing Pad comes in two sizes: Standard (4'' x 17'' x 33'') and Compact (4'' x 17'' x 29''). Each Zipped Contour Changing Pad has the following features: -Zipped vinyl cover -Original four-wall protection -Safety straps to hold your baby in place -High quality, soft quilted surface -Unique screw and snap tie-down system -Portability -Easy cleaning -Mounting hardware included