Deceptively spacious, this lightweight polycarbonate Stealth Fly Box from Fulling Mill is outfitted with a one-sided, high-density 4mm slit foam that neatly stores up to 260 flies yet fits easily in your pack or vest. Outfitted with a premium frosted lid to keep your flies secure, but visible. Silicon hinge spacers, magnetic closures, and stainless steel hinge give it a smooth and precise feeling when opening and closing. UK.7 1/4 "W x 4"L x 3/4 "D. Weighs 4 oz.