Willow Bee Bubblegum Multi Function Diaper Backpack Diaper Bag Jesse McCartney Beautiful Soul Lyrics Genius Lyrics. Estimated delivery is 3 4 weeks. Be a mummy or dad with style. This multi function diaper backpack can make you look fashionable and carefree for its vogue style and multiple practical pockets. Made from high grade nylon, lightweight yet sturdy. Wide open design, large interior with 1 zippered pocket and 3 elastic pockets. One front section with 3 elastic pockets and 1 net pocket for milk bottles and other items. Padded back panel and adjustable shoulder straps for ultra comfort and stability. Unisex design makes the diaper bag a nice choice for both mom and dad.