●Durable steel frame; Folding design for easy storage and transportation ●Double twin bed design: you can put your pets side by side in this stroller ●360 degree swivel front wheels; rear wheels can be locked for stability ●Air vents on top, front and back keep your pet breath freely; front and back have zippers, you can open it to take care of your pet ●Large storage basket in the bottom; two safety belts inside