Diaper changing pad opens up to a waterproof and large portable changing pad area of 21.7" by 20.9". The diaper changing mat has a built-in pillow to provide comfort for your baby, and perfectly sized compartments to hold all your baby's changing essentials. This slim and lightweight diaper changing pad is a perfect and excellent essential for modern parents - wear it around your wrist or clip it onto your stroller to stay hands-free all day!