Fishpond Tacky Daypack Fly Box-Grey, 2X he Day Pack 2X is truly the minimalists dream setup. Gone are the days when you were forced to decide between bringing enough flies to cover the hatch or traveling light. With Tacky's original, patented silicone anchoring technology and bi-directional slits lining both sides of the box, up to 360 flies fit right in the pocket of your wet wading shorts. Isn't compromise overrated? We think so. Features: Holds up to 360 flies (Not Included) Original patented silicone anchoring technology Withstands extreme temperature range Strong, latchless magnetic closure Durable and tested for long-lasting strength Recycled polycarbonate box Patented design 5in x 3.125in x .75in