Magnetic compartments are great for frequently used and/ or bigger flies, this aids in keeping your flies from being lost in the wind

Super thin and strong, made of high grade tough clarified polypropylene, packs light, but will hold up to a real beating
 
Strong, secure snap tight latch closure that won't accidentally open in your pack or vest, clear lid to see your flies easily

This box is divided into 6 of the most efficient storagest for its size
 
great fly box for in your pocket or vest