Bug-Bond is a multi-purpose UV cure resin engineered specifically for fly tyers. It is best cured by a UV LED flashlight and is tack-free and crystal clear when properly cured. Will not yellow in sunlight, no mess, no waste with needle tips (available separately). Available in the Original formula for a smooth finish or high build applications, and in Lite formula for penetrating while preserving the surface texture of tying materials. 20 ml (0.68 oz.) bottle.