| 1 | Material: stainless steel band - leather or PP | |
| 2 | Today, surgeons often prefer plastics such as polypropylene. | |
| 3 | Each time you create one kilo of traditional polypropylene, you create 3.15 kilos of carbon dioxide. | |
| 4 | They also produce "hybrid" resins of polypropylene that are stronger and more durable, for use in cars or children's toys. | |
| 5 | They are made from a soft polypropylene material and have lights inside a double skin. |