LASTING DURABILITY - Our 41" latex fitness bands are crafted with quality and comfort in mind. Made from natural rubber latex that is 99.998% free of soluble proteins, these can stretch up to 2.5 times their original length. Their heavy-duty, wear-resistant design ensures longevity and durability. ULTRA VERSATILITY - Closed-loop bands are perfect for assisted pull-ups, powerlifting, physical therapy, Pilates, calisthenics, targeted stretching, toning exercises, and full-body workouts. You can perform over 200 exercises with these resistance bands. STRENGTH LEVEL SPECIFICATIONS - These Combo Pack - #1 Orange, #2 Red, and #3 Black comes with different resistance levels. Light Band (5 - 15 lbs), Medium Band (20 - 35 lbs), Heavy Band (30-50 lbs). Perfect for anyone from beginners to advanced users, these bands will help you enhance your fitness training. WHICH BAND IS RIGHT FOR ME - Check out our free e-Guide guide to find the right tension level for your workout. To increase in