<a data-hook="product-link-linked" class="a-link-normal" href="/Black-Mountain-Products-Resistance-Band-Set-with-Door-Anchor-Ankle-Strap-Exercise-Chart-and-Resistance-Band-Carrying-Case/dp/7245456313/ref=cm_cr_arp_d_rvw_txt?ie=UTF8">Black Mountain Products Resistance Band Set with Door Anchor, Ankle Strap, Exercise Chart, and Resistance Band Carrying Case</a>&nbsp;are well-made. I especially like the high quality metal clips on the ends of the bands. The design is nice too -- it allows the bands to be combined for different resistance levels. Customer service was very good when I called the company. I am very satisfied.