TFO Magnet Latch, Slit FoamTFO magnetic closure fly boxes have clear plastic lids. This allows you to quickly and easily find the fly you need. The slit foam is ideal for nymphs or dries. Small but strong magnets draw the box closed yet are easy to open. FEATURES: Slim design for easy storage Strong and lightweight materials Stainless steel hinge pin Clear lid for visibility Secure low profile magnetic closure SPECIFICATIONS: FB HM L XL TFO Slit Foam Fly Box Magnetic Closure