Medium - 17 x 11" x 10.5" Carrier Weight 3.6 lbs (pets up to 16 lbs) A best seller from Sherpa"s Pet Trading Company these bags are practical yet stylish.Please measure you pet before ordering for length nape of the neck collar area to base of the tail for height flloor to to please check with your air carrier prior to ordering as under the seat requirements are different per airlines and planes. Shoulder strap included and removable faux lambskin liner that is machine washable. Top and side entry with locking zipper to prevent accidental escape. All Sherpa bags are backed by manufacture for one year of warranty please save your reciept and warranty letter. Carrier Weight 3.6 lbs (pets up to 16 lbs) A best seller from Sherpa"s Pet Trading Company these bags are practical yet stylish.Please measure you pet before ordering for length nape of the neck collar area to base of the tail for height flloor to top of shoulder. Do not go by weight alone as pets come in different shapes and sizes you must measure. Approved for airline use and will under the seats of most air carriers please check with your air carrier prior to ordering as under the seat requirements are different per airlines and planes. Shoulder strap included and removable faux lambskin liner that is machine washable. Top and side entry with locking zipper to prevent accidental escape. All Sherpa bags are backed by manufacture for one year of warranty please save your reciept and warranty letter."p of shoulder. Do not go by weight alone as pets come in different shapes and sizes you must measure. Approved for airline use and will under the seats of most air carriers