Product Details Tie clean, buoyant terrestrials that stay intact after repeated eats with Wapsi Thin Fly Foam, a flexible 2 mm foam that holds up on the vise and on the water. The tough thickness helps prevent thread from cutting through, so you can cinch down segmented bodies and foam backs on small patterns without tearing the material. Reach for it when stacking up Chernobyl ants, beetles, hoppers, and other f Read More Tie clean, buoyant terrestrials that stay intact after repeated eats with Wapsi Thin Fly Foam, a flexible 2 mm foam that holds up on the vise and on the water. The tough thickness helps prevent thread from cutting through, so you can cinch down segmented bodies and foam backs on small patterns without tearing the material. Reach for it when stacking up Chernobyl ants, beetles, hoppers, and other foam terrestrials for trout, bluegill, and bass, then build layered color combos by stacking and gluing different sheets with ZAP Foam Safe Adhesives. Each pack includes three pieces sized 4 3/4 in x 3 in, giving you plenty of material for batches of foam bugs. Thin, flexible fly foam that works great on small patterns 2 mm thick and tough so thread will not cut through Great for Chernobyl ants and terrestrials of all types and supports stacked color layers with ZAP Foam Safe Adhesives Includes 3 pieces measuring 4 3/4 in x 3 in Prop 65 Warning SEE LESS