Bionic Body Assorted Resistance Band 6-Piece Home Gym Training Workout Kit for Power Lifting and Strength Training Cardio Exercise BBKT-090 HEAVY-DUTY CONSTRUCTION  Featuring a durable construction made from double-coated latex, each flexible tube offers consistent resistance during movement. Its tear-resistant surface is guaranteed to withstand the most intense workouts. THREE RESISTANCE BANDS  Featuring three easy-to-use resistance bands with 20-, 30-, and 40-lb. resistance levels, this set allows you to customize your training. Add intensity to your workouts and challenge yourself using these versatile bands. HANDY DOOR ANCHOR AND ANKLE/ARM STRAP  This kit includes a sturdy door anchor that securely attaches to any standard door frame. It also comes with a fully adjustable strap that safely attaches to your ankle or wrist, so you can add in leg exercises. VERSATILE FITNESS EQUIPMENT  These resistance bands can be used for rehabilitating leg, knee, back, and shoulder injuries. Each piece can be used to aid in recovery from ACL, MCL, patella, and meniscus rehab, as well as knee replacement. LIGHTWEIGHT AND PORTABLE  This exercise kit can be used for mobility workout, assisted pull-ups, and bench presses. These fitness accessories are compact, lightweight, and easy to transport. Youll have resistance training equipment wherever you go.