FOUR DIFFERENT LEVELS - The fitness resistance bands come in four different resistance levels, providing you with various options. Yellow Resistance Bands (10-20 lbs), Red Resistance Bands(20-35 lbs), Black Resistance Bands (35-65 lbs), and Purple Resistance Bands (65-85 lbs). The Pull Up Bands can be used individually or in combination to achieve the desired intensity. With different resistance bands, you can also target specific muscle-building exercises at different levels. PREMIUM NATURAL MATERIALS - The elastic fitness bands are made from 100% high-quality latex, which is safe, recyclable, hypoallergenic and resistant to deformation. The Resistance Bands are crafted from soft material, offering a smooth appearance, and exceptional durability to ensure sufficient tension. To prevent breakage, avoid using the resistance bands on rough surfaces.And Do not touch with sharp objects. Door Anchor - The set of four fitness resistance bands is equipped with a door anchor, allowing you to use the pull up bands anytime and anywhere, as the door anchor enables you to use them on doors. The elastic resistance bands are great for strength training, body shaping, Pilates, yoga, stretching, and more, whether at home, in a hotel room, or any other location. PORTABILITY - Our resistance bands come with a storage bag,which enabling you to carry them with you wherever you go, making it easy to exercise anytime, anywhere. The resistance bands can be used not only at home or in the gym but also during vacations, business trips, or in any park. The exercise pull up bands allow you to train on the go, helping you maintain a healthy lifestyle! WIDE RANGE OF USES - Elastic resistance bands can help warm up your body before workouts, prepare your muscles, and enhance strength. The set of four elastic fitness resistance bands is perfect for training, conditioning, weight loss, and strength training. By strengthening exercises for the chest, back, shoulders, arms, and legs, they help you train your entire body. The fitness resistance bands can be given as a gift to your sport-loving friends or family members.