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
