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FEATURES:

• ✅【PRACTICAL AND HELPFUL】:Strength your legs,hip, and core muscles to improve running speed, vertical jump, mobility, endurance. It is helpful for the people who want to increase speed and agility.
• ✅【ELASTICITY AND RESISTANCE】: Elasticity variable,4x tube total 60LBS,about 10LBS of a yellow band,and 20LBS of the black one.You can choose the Elasticity which suitable for you.
• ✅【WORLDWIDE USE】: For athletes,coaches trainers,physical therapists,and healthy minded people of all ages (7+).
• ✅【MATERIAL】100% eco-friendly natural latex bands,make it easy to adjust the strength.Heavy duty clips clamp on the leg strap.