Product Description Size: Green 600*50*0.4mm Blue 600*50*0.5mm Yellow 600*50*0.7mm Red 600*50*0.9mm Black 600*50*1.1mm Color: green, blue, yellow, red, black Material: TPE Specifications: Green: 10-15 pounds Blue: 20-25 pounds Yellow: 30-35 pounds Red: 35-40 pounds Black: 45-50 pounds Package content: 5* resistance band 1*Black cloth bag 1*Instruction 1.Safe and durable: The fitness bands are made of natural latex of the best quality, are non-toxic, tasteless and skin-friendly. High quality and highly elastic material offers perfect tear resistance and durability. 2.5 resistances for different trainers: 5 fitness bands with 5 resistance levels for free selection of the right training intensity. It allows the body muscles to exercise gradually and safely. Whether you are a seasoned athlete or a beginner, male or female, you can choose the right one for you based on your current training level. 3.Suitable for multi-training: With these perfect resistance bands you can train muscle tension in different parts from different directions. Ideal for strength and flexibility training such as fitness, weight loss, postpartum recovery, physical therapy, yoga, pilates, rehabilitation after injury, etc. These bands can easily participate in any of your fitness programs. 4.Super portable: The fitness bands are light and foldable and take up little space. They easily fit in your storage bag (included) and can be used at home, at the gym or when traveling. You are free to do full body workouts anytime, anywhere, however you want.