Round or square, you can take these bait pens anywhere! Perfect for storing your live baits. 3 sizes available. 2' x 2' x 2', 3' x 3' x 3' and 4' x 4' x 4' round pens. 3' x 3' x 3' also available in square format. The 3' and 4' pens come with built in chum tray and floats (2' model doesn't include chum tray). These pens are easily assembled and collapsible to take on the go for trips.