#1 Highest Grade available, fresh cut, bright color, consistently clean, long-length. Winmore fiber is made from Virgin Abaca Fiber, not seconds or rope waste products like others. It is NEVER treated with pesticides or cordage oils that can interfere with its usage. Simply put, the BEST casting fiber available anywhere!! Uses: Combined with plaster to strengthen Industrial Prototype Molds, and to strengthen and form Ornamental figures and Decorative plaster Artwork.