1. Material: ABS engineering plastic + high strength steel wire 0.8 mm thick
2. Key chain design, unique shape
3. The rope is not easy to break and has a long service life
4. Strong and durable
5. Tension: about 160 grams
6. Dimensions: small 4 cm, medium 4.4 cm, large 5.2 cm
7. Weight: small 39 grams, medium 45 grams, large 49 grams