The carrier allows you to carry you pet with you a number of different ways - carrier, rolling bag, tote, backpack or car seat. Take your pet with your anywhere in comfort with the expandable sides that give your pet 3 extra inches of "leg room". In addition, the Pet Gear I-GO2 Traveler Pet Carrier comes with a comfortable fleece liner that relaxes your pet, and an interior tether strap clips to your pet's harness so he or she can't jump out. It also comes with two side pouches for your pet's accessories, and a telescopic handle and bottom wheels in order to pull him or her through malls or other crowded venues. Brought it for $70. Selling for just $40