Nest Diaper Bags; Where Fashion Meets Function The Black Bleeker Tote Diaper Bag by Nest is made with nylon canvas, faux leather and silver hardware is both practical and beautiful. With its built-in diaper changing station, large removable and washable changing pad, as well as, plenty of pockets and a wipe case, no wonder itÕs the favorite bag of such celebrity Moms as Reese Witherspoon and Heidi Klum.