Scientific Anglers Boat Box Manufactured of a durable plastic and fitted with slot foam on both the lid and in the interior, the Boat Box is the perfect home for all your articulated streamer and bass popper creations. * Features slit foam on the lid and interior * XL holds over 200 flies of just about any size; L holds over 150 * Built of a durable plastic material * Large Size: 10? x 8? 3.75? * Extra Large Size: 13.5? x 10? x3.75?