Features: Adjustable design: These blood flow restriction bands are adjustable, which are equipped with a buckle, available to fix the tightness stably, convenient for you to adjust the length as you need, suitable for people of most ages, women, men, adults, students and so on. Nice gifts: You can send these fabric resistance bands to those people who love exercising, such as your mother, sisters, brothers, daughters, sons, father, good friends, relatives, neighbors and so on when it is Valentine's Day, Christmas, Thanksgiving day, New Year, birthday and so on, they will be grateful for your kindness and your relationships will be strengthened. Specifications: Main material: nylon Color: red, black, blue Size: approx. 23.6 x 1.18 inch, 35.4 x 2 inch Quantity: 4 pieces Package includes: 2 x Red blood flow restriction bands 2 x Blue blood flow restriction bands Warm notes: Manual measurement, please allow slight errors on size. The color may exist slight difference due to different screen displays. Long ropes included, please watch out for winding risk.Wide applications: you can wear the adjustable training band when you are doing yoga, barbell, squat and equipment training, assisting you to exercise your leg, arm, butt, thigh and more, not easy to slide or fall off during the exercising process, which is an ideal choice for sports. Help your strengthen your muscles: these adjustable building hip glute bands provide temporarily restrict the blood flow, helping you build and develop your muscles more efficiently, making you more energetic and youthful, providing you with a good use experience. Size message: the red elastic resistance bands measure approx. 23.6 x 1.18 inch, and the blue elastic resistance bands measure approx. 35.4 x 2 inch, and the length is adjustable, you can choose the tightness according to your situation. Reliable material: these blood flow restriction bands are made of quality nylon, which has good elasticity and high strength, not easy to deform or break, serviceable and long-lasting, you can use these straps with confidence. Package contents: you will receive 2 pieces of leg exercise straps and 2 pieces of arm exercise straps, which are helpful for you to exercise your muscles of arms and legs, enough to satisfy your daily exercise demands.