1) High brightness, good in toughness and seamless
2) Neat end surface, good in tightness, convenient and practical
3) Clear caution mark, and convenient for use
4) GSM: 60, 70
5) Width(mm): 37, 44, 57, 70, 75, 80, 82
6) Diameter(mm): 40, 50, 60, 70, 80, 100
7) Worldwide universal core, handsome and practical
8) Stable quality, used by supermarkets, emporiums and banks