
Material: The material is made of HDPE, the color is Milky white, The advantages are good toughness, good tension, non-toxicity, impact resistance, moisture resistance and chemical resistance, the advantages are good toughness, good tension, non-toxicity, impact resistance, moisture resistance and chemical resistance.

| Item No. | A (mm) | B (mm) | A (mm) | B (mm) |
| 2 | 27 | 27 | 3 | 2 |
| 3 | 31 | 31 | 3 | 3 |
| 5 | 34 | 34 | 6 | 5 |
| 7 | 44 | 44 | 7 | 7 |
| 8 | 44 | 44 | 8 | 8 |
| 10 | 49 | 49 | 10 | 10 |