Description:With the jumping trainer, you can strengthen your legs, hips and core muscles, improve running speed, vertical jump and endurance, thus improving your sports performance.Featuring soft, abrasion-resistant materials, this product is comfortable, easy and secure to use. With adjustable shoulder and ankle straps, it fits most people.It is made of emulsion material that is wear-resistant.The length of the waist belt is 98 cm. The length of the resistance band with hook is 48 cm. There are five sizes for you to choose: S, M, L, XL, 2XL.It is very useful to get fit, lose weight, gain muscle, get stronger and achieve your fitness goals.Item Name: Resistance BandMaterial: EmulsionFeatures: High Pull Strength, Elasticity, Break-proofPull Strength Per Band: S: 15LBS, M: 20LBS, L: 25LBS, XL: 30LBS, 2XL: 35LBSSize Details:Waist Belt Length: 98cm/38.58" (Approx.)Resistance Band Length: 48cm/18.9" (Approx.)Notes:Due to the light and screen setting difference, the item's color may be slightly different from the pictures.Please allow slight dimension difference due to different manual measurement.Package Includes:1 x Waist Belt 2 x Foot Buckle 2 x Resistance Band