Sunyear Foldable Camp Chair oxford Proprietary Technology. Strong stability. Foldable. Aluminum structure. Easy to set up. Sunyear Folding Chair Mounting Video: logging on to the website: Youtube. Enter the keyword(you can copy it directly): 71-o7NaGcXk and click the 'search' button. Holds over 320 lbs. Great comfort and perfect for all outdoor and indoor uses.