100% brand new and high quality. Resistance bands training can be great either for intense workouts or for injury prevention and rehabilitation. The Fitness Gum is made of high quality TPR,eco-friendly,no smell,strong durability. The elastic band is a good choice to do home fitness and outdoors training. Also,it is good to do gym training. 4 different strengths, suitable for different people or different stages. With storage bag. Light - thickness 0.5mm - 10lbs Medium - thickness 0.7mm - 15lbs Heavy - thickness 0.9mm - 20lbs X-Heavy - thickness 1.1mm - 30lbs Package Includes: 4 × Resistance Bands 1 × Storage Bag