The NEW B Strong BFR Blood Flow Restriction 2 Workout Bands for Legs in Yellow are designed for gym and training workouts. Made in the United States with high-quality Velcro, neoprene, and 200D nylon fabric, these bands provide resistance for leg exercises while constricting blood flow to enhance muscle growth and strength. Suitable for both indoor and outdoor use, these bands are a versatile addition to any fitness routine for those looking to maximize their workout results.