Most of our products are made with willow which still has the bark on which makes them more weather resistant.  They will last an extremely long time if kept indoors.  If kept outdoors they will last around 5+ years.  They develop a weathered look and may become more brittle over time outdoors but they should retain their structure. 

To prolong the life, bring your willow product inside if you can during extreme weather and over Winter, and don't store in plastic if the product is wet or still drying out from being initially made.

You can also treat yearly with a 50/50 Linseed oil and turps mix - or other wood preserver.