The Adidas Training Bands set is ideal for adding intensity to your training by introducing resistance training to your workout. Made from durable latex material, this set of two bands is perfect for toning, stretching and rehab. The bands help isolate muscles and apply resistance to develop strength and flexibility. The set comprises two different strength bands:. Blue band – Tensile strength 4.54 kg (pull to 200% of length) / 6.6 kg (300%) / 8.94 kg (400%).. Orange band – Tensile strength 6.34 kg (pull to 200% of length) / 9.48 kg (300%) / 12.72 kg (400%)