The Patella Tendon JK-Band ZA-02585 does what it is supposed to do. Manufacturerd by a quality brand in Zamst, means the Patella Tendon JK-Band ZA-02585 has been manufactured to last. Like all Zamst support & recovery items you will receive a manufacturer's warranty, & will be able to send back your Zamst support & recovery item in the event you are not entirely happy with your order.