Features 1. Ergonomic grip design comfort-grip wooden handles. 2. Special 90 degree perpendicular swivel design. 3. Precision ball bearing rotation. 4. Tough and durable, ideal for sports training. 5. Compact, portable, convenient, without need a training partner. 6. Jumping rope can accelerate blood circulation and metabolism. 7. Rope skipping also can burn the fat, contract the muscle and help to create perfect figure. 8. It is also beneficial to your heart and body coordination.