Rags HB - interleak attacks after cutting. Pieces of irregular shape (patterns, ribbons) not less than 5 cm wide with a length of not less than 25 cm and not less than 10 cm with a length of not less than 10 cm. 100% HB (chintz, flannel, calico, waffle are lightweight fabrics). Impurities, overlock (small noodles), heavy types of fabrics: double-thread, tarpaulin, synthetic and semi-synthetic, wool and half-woolen, foreign objects are not allowed.