Quantity: 20Packs Model: fly tying materials Colors: 20 colors mixed Used for: Teaser bait and Fly fishing hooks Detail information: 1. Crystal tinsels with Environmentally Friendly materials, UV lamp irradiation has a fluorescent effect, can decorate nymphs, tie sea fishing, lure, etc. 2. Dress your flies up with some crystal flash. Give your fly that extra flash to catch the attention of the fish. It can suitable for freshwater flies or saltwater flies. 3. It is great for freshwater and saltwater minnow and baitfish patterns as well as bucktails, spinnerbaits, jigs, and poppers for fishing for warm water species.