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 17"L x 14.5"W.