Set of 5 resistance bands with different resistance levels. The challenge can be increased by combining several exercises suitable for beginners, fitness enthusiasts and athletes. Stretch bands and improve body flexibility. Perfect for strength training, physiotherapy, rehabilitation and improving flexibility. Lightweight and portable, neatly stored in your gym bag, purse or pocket Instead of the bulky fitness equipment that requires a lot of money and space, you can continue to train with the cheap and flexible band. Time and space are also limited. Made of natural latex, has strong elasticity, is durable and retains shape without deformation. Easy to use, first select bands for different training intensity and then wrap the bands around your wrists, arms, ankles etc to shape slim muscles. Specifications: Material: natural latex Color: Green, Blue, Yellow, Red, Black Thickness and Size: Green: X-Light (5-10 pounds), 23.62 × 1.97 × 0.01 inches (L x W x H) Blue: Light (10-15 pounds), 23.62 × 1.97 × 0.02 inches (L x W x H). Yellow: Medium (15-20 lbs), 23.62 × 1.97 × 0.03 inches (L x W x H) Red: Heavy (20-30 lbs), 23.62 × 1.97 × 0.04 inches (L x W x H) Black: X-Heavy (30-40 lbs), 23.62 × 1.97 × 0.04 inches (L x W x H) Package includes: 5 x Resistance Bands