Pendleton Crater Lake National Park Full Blanket Each blanket has a Pendleton label signifying their authenticity and special woven label with the park name and image of an important natural feature National Park Blankets are still woven right here in our Pacific Northwest mills, just as they were nearly 100 years ago Materials: Pure virgin wool Fabric Care: Dry clean For a Great Cause: The National Park Foundation receives a royalty from the purchase of each national park blanket. Pendleton and our partners have donated more than $700,000 so far to support critical restoration projects in our national parks