Warranty Costco is the authorized retailer of Proshade umbrellas. Warranty does not transfer to second parties. Proshade provides a one year warranty that the product will be free from manufacturer’s defects. This warranty does not extend to damages caused by improper assembly, weather related damages (including wind, hurricanes, tornadoes and storms), neglect or abuse of the product. Please call us at (877) 730-1583, or email us through customerservice@bpn.837.myftpupload.com to submit a warranty claim. One of our customer service representatives will reply to your request within 2 business days. To speed up our process, please make sure below information is included: Proof of purchase (It can be your receipt or purchase report printed from any Costco warehouse) Image of damage Brief description of damage and how it occurred Shipping address Contact number Contact name