Space for more than 600 flies with two levels of slotted 4mm foam for parking. Capable of holding a large variety of flies from buggers and large dries, to small nymphs and wets. Made with the same material that riot shields are made from, with guide ridges on the outer edges to help you keep a firm grip on things. Lid closes using powerful neodymium magnets situated in the front corners. Dimensions: 7.25″ X 4.25″ X 1″. Made in England.