Molded from nearly indestructible ultra-clear plastic with metal hinge pin. Make great boat boxes for trout and panfish flies. Also great for storing your backup inventory at home, see everything at a glance. Huge capacity in a small space, slide one or two of these babies in your boat bag and you’re set! 11″ L x 7″ W x 7/8″ D. SPECIFY: 470 Slits, 352 Slits, or 52 Slits-Longways.