1. Metal stimulation needle, polished surface, removable, easy to adjust 2. Double D-ring design, easy to connect the traction rope 3. Plastic buckle, easy to put on 4. Material: polyester, metal 5. Application object: dogs 6. Length: S about 35cm, M about 50cm, L about 55cm, XL about 60cm 7. Weight: S about 86.5g, M about 195.5g, L about 252.5g, XL about 330g
