5M Automatic Retractable Tractor Pet TractorSpecification: Name: Automatic telescopic traction rope Cord material: High strength polyester Shell material: High quality abs plastic Applicable type: Within 40 kg Cord length: 5m Size: 15. 5cmx12cm. Color: Pink, light green, rose red, dark blue, light blue, dark gray Reminder: Lock the traction rope before it is pulled to the end. Letting it pull will cause damage to the telescopic function. Remember to lock it at a suitable distance in time~