What's the Tacky Fly Box all about Patent Pending Slit Silicone storage system anchors the flies unlike anything else Holds flies tighter Withstands extemes in temperatures Light blue color for high contrast Light, sleek, yet extremely durable polycarbonate box Clear lid for visible access to flies Off-set slit design comfortably holds 168 flies Latch-less magnetic closure system Long lasting strength Durability tested