unicitii dog car seat extender with seat cover, front & back seat extender with storage, car organizer for large dogs up to 120lbs black-s-19.1 x 10.4 x 13 in is up for auction in Pet Supplies. The current bid is $1.00, 98% below the $49.99 MSRP, in Good Condition. This auction has ended — similar items appear in live auctions regularly.