Semperfli Scud Dubbing is a specialized blend of up to 5 SemperSeal colors and 6 Semperfli Ice Dubbings, featuring 16mm or inch staple lengths with 0.75gm per pack. Intended for nymphs, bugs, and dry flies, this unique dubbing offers translucency from the SemperSeal and vibrant flashes from Semperfli Ice Dubbing, taking color and effect in fly tying to the next level.