The I-GO2 Traveler Plus is a great way to take your pet with you wherever you go. It is a back pack, roller bag, and car seat/ booster seat. The I-GO2 was designed and developed for ease and comfort while taking your pet for a short ride, a hike in the hills, an across town adventure or an across country extravaganza. It has a fleece pad and tether inside for safety. Hold pets up to 25 lbs. Overall size is 22"H x 16"L x 13.5"WThis Product is Jagger's Choice he is a muscular 24lbs Boston Terrier who loves to travel! PLEASE NOTE: The LENGTH and WIDTH of your dog are the most important measurements when determining whether or not your dog will fit in this carrier. Weight should only be used as a general guideline. Also, PLEASE double check with your airline carrier with regard to their size limitations for carriers in the cabin and/or in cargo.