Perdigonmania Flashback Iridescent Plus are very fine strips ideal to tie perdigon bodies, they change colours as the light hits them from different angles. This fly tying Iridescent material, combined with a touch of rust will greatly increase the effectiveness of your Perdigones. Perdigonmania Flashback Strips Iridescent Plus nymph bodies will be definitely deadly when coated with Solarez UV Resin Ultra Thin Bone Dry. Packs of 15 strips (1 mm x 10 cm).