Metallic thread # 15 Wire length on the bobbin: 225 m (15 grams) - 100% polyester. Presented on cardboard spools. Size of the bobbin: diameter, 3 cm - length, 6.5 cm This metallic wire is made of a metallo-plastic blade guipée with contiguous turns, giving a smooth and regular thread will not come apart at all. It is bigger than the one presented on the reels 100 meters: it is twisted into three strands of # 40. In this thickness to metallic thread available in 4 colors. Like all son Fil Au Chinois, this product is MADE IN FRANCE.