4KOR Fitness strives to provide you the best experience with our products. We take your privacy extremely seriously and do not tolerate spam. We will never sell, rent, lease or give away your information to a third party. To register, please provide your name, email address, and Order number (optional). Your Order number will make it easier for us to match your order with your name if you ever have an issue with your product. Please register your product to receive a lifetime limited warranty and help us provide you with amazing customer service. This limited warranty applies to products intended solely for personal, family, or household purposes. This warranty does not cover injuries. It does not cover damages to third parties using the products. 4KOR Fitness will repair or replace any defective 4KOR Fitness products covered by this limited warranty. The 4KOR Fitness resistance cord strength system comes with a 2 Year limited warranty, the lifetime warranty does not apply to this product.