The pocket Fly Box is the smallest of the range. This lightweight box features a sleek, frosted lid so you can see your flies. Inside is a one-sided high density, 4mm slit foam with a capacity for up to 122 flies. As the name suggests, this box will fit snugly into the average shirt or pant pocket, making it the ideal day box. Size: 20 x 84 x 119mm. Made in the UK.