These have both been used once, two nights each, excellent near new condition.  The Bareboxer contender is the smallest and lightest bear canister made and is approved, perfect for solos or short trips.  The Ursack S29 comes with the Al liner, this is the 2nd to most recent model and can be sent in for retrofit for $5.00 from Ursack, check the website for details.  Both together retail for $145 plus tax/shipping.  My price is $119.00 shipped via paypal personal or add 3%.