Tolerance 0.3-0.5cm, 100% cotton ,20 kilograms pulling force, do not explode, is not rotten, Net Lace, Garment Lace Use computerize machine produce 20kg pulling force nonexplosive,nonrotten,colorfast bra and brief set:R978We are the First factory in the world which can do the same quality products as handmade crochet products by computerized machine.We achieve China Invention Patent Right Of this ...