Power bands are great for speed training / agility drills / jump resistance or as an alternative to standing cable exercises. Features: Band thickness determines resistance Seamless latex rubber Very durable Can be used with Olympic / Hex and EZ Bars Anchor attachments on Power Racks Can be used on their own or with free weights Available Sizes: Black - 101mm Blue - 64mm Green - 44mm Orange - 83mm Purple - 28mm Red - 13mm They are also ideal for Pre-habilitation and Re-habilitation and Sports Specific Drills for sports such as MMA. SPECIFICATION: Brand GymGear Usage Home Use, Commercial Use Condition Brand New Warranty 2 Year Warranty