This is a great value set of three obi cores, suitable for fukuro obi, Nagoya obi, and collar cores. Made of 100% cotton with a firm texture. Size: Width 34cm x Length 4.7m or more Count: 20 Density: Warp 68, Weft 58 Finish: Pre-shrunk (boiled) Made in Okazaki City, Aichi Prefecture *Density is a measured value. We apologize, but we are unable to negotiate prices.