Product information: Specification: light pink: 600*50*0.35mm Tension value 5~10lb weight 11g Pink: 600*50*0.5mm Tension value 10~15lb weight 15g Rose red: 600*50*0.7mm Tension Value 15~20lb Weight 22g Light Purple: 600*50*0.9mm Tension Value 20~30lb Weight 27g Purple: 600*50*1.1mm Rally Value 30~40lb Weight 33g in Package Weight: Approx. 140 g Package would: 17 * 9 * 1.8 cm Package List: 5 * Resistance Bands 1 * Carrying Bag 1 * Instruction in Package Weight: Approx. 140 g Package Size: 17 * 9 * 1.8 cm Package List: 5 * Resistance Bands 1 * Carrying Bag 1 * Instruction 1.Features: Made of eco-friendly best quality elastic latex, durable and stretchy. 2.Made of eco-friendly elastic latex, durable and stretchy. 3. 5 exercise resistance band gauges: 0.35mm,0.5mm, 0.7mm, 0.9mm and 1.1mm. 4.You can combine the resistance bands together to get different levels of resistance for your workout. 5.Suitable for yoga, pilates, workout, stretching and workout etc.Products from NIUNIU's store