Organize your flies by hatch, river, or season in one small package with the Tacky Day Pack. Organize your flies by hatch, river, or season in one small package with the Tacky Day Pack. With room for 180 flies, our bi-directional slit design proves that sometimes big things do come in small packages. Headed out for a two hour twilight session after work? Grab the Day Pack and go. 5" x 3.125" x .75" Flies not included