Set includes 2 decorative insert bags Snap buttons into the holes on any Original or Baby Bogg Bag The large insert bag measures 9.5" x 11.25" x less than 0.25" when flat, but can open up to accommodate approximately 2.5" Suggested uses for the large insert: cell phone, book, keys The small insert bag measures 5" x 7" x less than 0.25" when flat, but can open up to accommodate approximately 1.5" Suggested uses for the small insert: smaller cell phone, change, credit/store cards, id, lip balm