Shandong long-staple cotton is made of 2 kg Shandong long-staple cotton is made of 3 kg Shandong long-staple cotton is made of 4 kg Shandong long-staple cotton is made of 5 kg Shandong long-staple cotton is made of 6 kg Shandong long-staple cotton is made of 7 kg Shandong long-staple cotton is made of 7 kg Shandong long-staple cotton is made of 7 kg Shandong long-staple cotton is made of 7 kg Shandong long-staple cotton is made of 7 kg Shandong long-staple cotton is made of