This basket is shipped collapsed. The all-plastic construction makes this basket so easy to clean, you can just spray it with a garden hose. The birds stand on a grill floor and there is a slide out tray that collects the droppings for easier cleaning. There is a small door on top for you to load your pigeons and one end of the basket drops down to release the pigeons. The top also has an opening that allows you to easily carry the basket. The tray and 2 cups are included with the basket. Extra cups and trays are available for purchase. The basket measures 27 inches x 19.5 inches x 11.5 inches. Holds up to 20 birds, depending on breed.