Hemingway's Realistic Stonefly Wings are the beginning of a new era in dry flies. They are amazingly innovative and incredibly tyer-friendly. Hemingway's top quality wing material is built to well exceed industry standards in every way measurable. As a matter of fact we have literally searched the world over and you just can't find a better balance of realism and durability. All of our wings are preformed, precut, flexible, translucent, UV resistant, water proof, and extremely durable. These are not just another wing, “They are the future of fly tying!"