â–º 5 LEVEL OF RESISTANCE: Light, medium, heavy, X-heavy, XX-heavy to meet your requirements for different fitness levels, effectively improve muscle strength, physical activities and flexibility â–º MATERIAL & DIMENSION: 23.62" (60cm) long and 2"(5cm) wide, made of 100% natural latex which is lightweight, durable and long lasting, rebound fast and deformation resistant â–º COMPATIBILITY: Great for women and men for Pilates, physical therapy, yoga & crossfit, can be suited to exercise workouts in the gym and physical therapy at home