The Valor Fitness PRB Resistance Bands are a great tool to add intensity to or assist you in a number of workouts such as pull ups, bench presses, squats, deadlifts, and more! Resistance band training ensure every part of the exercise has resistance, resulting in a better range of motion and strength while providing a more complete stimulation to promote muscle growth and toning. These bands – available in XS, S, M, L, XL, and XXL – are suitable for any fitness level as each band offers a different level of resistance. Each Valor Fitness PRB Resistance Band is made with 4.5mm latex to withstand being stretched and pulled through intense exercises repeatedly without tearing. The product width and thickness will determine the resistance. Multiple bands can be layered to find the perfect balance of resistance to your workout. Supplement several your favorite workouts with the heavy-duty Valor Fitness PRB Resistance Bands!