Parents have to be prepared when on the go. BOB's Stroller Diaper Bag clips directly to any BOB single or Duallie strollers. It includes a 31 x 12-inch waterproof, stinkproof changing pad, and a removable waterproof pouch with an insulated bottle pocket. To keep Mom and Dad's stuff organized, the Diaper Bag features a separate fleece-lined sunglass pocket, key clip, cell phone pocket and diaper pocket. And, the shoulder strap makes the bag easy to transport so you and your little one are always ready.