The Bern Diaper Bag Backpack with Detachable Cooler by Obersee is a spacious premium quality diaper backpack, with sporty styling that suits moms and dads, that will be useful for many years to come - even after your child is beyond the diaper bag years. The backpack features clips for attaching the Obersee Baby Bottle Cooler Attachment (sold separately). The Bern diaper backpack includes a padded changing mat with a large changing surface. The interior of the backpack features multiple pockets, including tablet computer and laptop computer (up to 15") pockets, multiple pockets for changing mats and other baby items, an organizer pockets for miscellaneous items and mom/dad gear, an easy to access fleece lined pocket for electronic devices, and a front zipper pocket for quick access to small items or baby wipes. The backpack also features a side drink pocket for drinks or baby bottles and a side zipper pocket. For added comfort, the back features a fully padded and ergonomic mesh back and the straps feature breathable mesh padding. The top features a carry handle and two rings for easy attachment to stroller (stroller straps sold separately). The pack also features an earphone port and music player pocket, a loop on the strap for sunglasses, and is constructed of tough, ultra-durable high quality materials for the long haul. The backpack measure 8" deep x 18" tall x 13" wide (20 cm deep x 46 cm tall x 33 cm wide) and cooler measures 8.5" wide x 9" tall x 2" deep (21 cm wide x 23 cm tall x 5 cm deep).