The Original Bogg® Bag measures 19" x 15" x 9.5" Each Original Bogg® Bag comes with a set of two clear insert bags. The set contains one large insert bag with 3 white buttons across the back and one small insert bag with 2 white buttons across the back. Simply snap the buttons on the back of the insert bags into any free hole on the Bogg Bag (inside or outside) to keep smaller items in reach.