F-C GRIP-LOCK FLY BOX "SMALL" (4 7/8" x 3 5/8" x 1 1/4") - Super-lightweight, large capacity, durable fly boxes with high-grade, hard polypropylene shells designed with no sharp edges, corners or protrusions. Engineered with a double living hinge and secure latch system. These boxes will hold both wet and dry flies perfectly. Shirt-pocket sized. Slotted Foam Rows work like this: Let the small "cutouts" be your guide and simply back the fly into a GRIP-LOCK slit and it will be held tightly in place. No wear on the foam.