Elastic rope meets your athletic needs Application for Soccer/Tennis/Baseball Training Physical Training and Home Training Various Strength Training Methods Elastic and comfortable material to prevent injury (no weight) Comfortable and dense elastic band with secure strap PRACTICAL AND HELPFUL- Ankle Resistance Bands application for football/tennis/baseball training ,physical training and home workout.It is helpful for the people who want to increase speed and agility.^EFFECTIVE RESISTANCE TRAINING - Strenghen legto improve running speed, vertical jump, mobility, endurance. Especially great in short burst sprints training and dynamic agility drills.^SUITABLE FOR ALL TYPES OF PEOPLE - Ankle Straps by athletes, coaches, trainers, physical therapists, and healthy minded people of all ages.^ELASTICITY AND RESISTANCE - Elasticity variable,The tensile strength of the Resistance Bands is about three times,2x Elastic rope total 40LBS,about each 20LBS.You can choose the Elasticity which suitable for you.^MATERIAL - hidden Natural rubber latex, heavy duty clips.