Mini Loop Resistance Bands

5 levels of strength to choose from! Use 'em for strength training, assisted training, or stretching—whatever tickles your fancy. Durable and strong— these bands won't give up that easily! Crafted of natural latex and complete with a nifty nylon carrying case. Yellow (X-Light): 600 x 50 x 0.4mm Red (Light): 600 x 50 x 0.6mm Green (Medium): 600 x 50 x 0.8mm Blue (Heavy): 600 x 50 x 1mm Black (X-Heavy): 600 x 50 x 1.2mm