This set of seven pieces, 5 different specifications of latex pull ring + exquisite practice manual 1 + storage bag 1 = latex pull ring set (strength standard), the pull ring specifications are as follows:

Green: 600*50*0.35 mm Pull value 5~10lb Blue: 600*50*0.5 mm Pull value 10~15lb Yellow: 600*50*0.7 mm Pull value 15~20lb Red: 600*50*0.9 mm Pull value 25~30lb Black: 600*50*1.1 mm Pull value 30~40lb

Black cloth bag: 13*17cm Product weight: 130G

PREMIUM QUALITY EXERCISE BANDS: Our exercise resistance loop bands are made of premium & eco-friendly natural latex material, makes them very comfortable on the skin even after a long workout, very durable!5 LEVELS (10-35LBS) FITNESS BANDS: 5 set of exercise bands resistance loop level vary from low to high (X-Light, Light, Medium, Heavy, X-Heavy). You can increase the intensity of your workout gradually with different strength band, suitable for beginners to pros if combined together.MULTIPLE USES LOOP BANDS: These resistance bands are often used for home workout or gym fitness, additional home training, or rehabilitation and recovery as physical therapy bands, also perfect for pregnant women keep their bodies in shape. Great gift for women and men.GREAT WITH ANY WORKOUT: Great for stretching or improve your muscle tone in arms, legs, ankles, back & buttocks, warm-ups, home workouts, fat burning, advanced training, physical therapy, Yoga, Pilates, Crossfit and other daily workout. Help you achieve your fitness goal that you are aiming for!DO WORKOUT AT ANYWHERE ANYTIME: These flexible elastic bands are lightweight and compact, the included portable carry back bag makes it easy to take your bands with you, and do any workout away from home or your home gym.