Even when you have to leave your furry friend at home, you can show your love for your pet with the fun paw print pattern of the World Traveler Paws 21 in. Rolling Duffel Bag. Fashioned out of durable EVA polyester, the duffel bag resists wear and tear on the go and is just the right size to fit under the seat on an airplane or train. The bag rolls effortlessly with you on in-line skate wheels by its retractable handle. Double top handles and an ergonomic shoulder strap give you other carrying options for your convenience. The design includes an inner zippered security pocket and an external zippered utility pocket for easy organization.