Each Baby Bogg Bag comes with one clear insert bag with 2 white buttons on the back that snaps into the holes, anywhere inside or outside the bag, to keep smaller items in reach. The small insert bag measures 5 inches high, 7 inches wide and is less than .25 inches deep when flat but can open up to accommodate approximately 1.5 inches. Suggested uses for the small insert: smaller cell phone, change, credit/store cards, id, chapstick