Resistance Bands Sport Equipment Strength Trainer Belt Fitness Equipment Spring Specifics: 100% Brand New.This type fitness equipment is good for home exercise , Gym exercise ,health clubTwo colors avaliable: Black / Blue/Pink/Camo3 Advantages: Fine sewing +Sweat absorbing handle +Thickened metal bucklesPackage weight:1.3 kgPackage Size(L x W x H): 21.00 x 15.00 x 9.00 cm / 8.27 x 5.91 x 3.54 inches Package include( color box): 1 x Training Resistance Belt Set 1 x Door Holder 1 x Mesh Bag 1 x Guide 1 x A pair of socks Features: - Tensile, max size is up to 2.6m.- Max bearing weight is up to 400kg.- Easy to install and convenient to carry.- Enable you to perform hundreds of training, such as exercise strength, flexibility, core stability and endurance.- Allow you to adjust the degree of difficulty, which makes it suitable for people of different fitness levels and different training targets.- A complete gym in a bag, gives you everything you need to build a better body.- Door holder, can build strength, power and mobility from any door in your home.- All you need is a door, a tree branch, or any number of easy anchor points.- Developing core stability and power, anytime you want, anywhere you want. Attention：​In the process of using resistance band , very important principles !1)please adjust the resistance size in the ability of your bady ,don't be too quick to challenge difficult actions ;2)pay attention to posture, wrong postures cause muscle and ligament injury; 3)when you are training, the main rope should be always kept the tension, to ensure the effective action; 4)keep arms the same force;5)the main rope should be far away from the upper arm, so as to not scratch the skin.