these 2 pet airline approved carriers are for small pets, up to 15 pounds. no larger. canvas with zippered mesh panels on all three sides. removable bottom wheels. telescoping handle. can also be used with backpack straps. carry one pet on the back while rolling another. lays flat with mesh opening facing up, so carrier fits under most airlines seats. used once for 2 small dogs on a short plane flight. has a small zippered pocket on each side for storage. mat in the bottom of each carrier. used once. purchased nrw over 30 dollars each. in almost like new condition. listing them as set for 30$