Guardian Gear Cross-Trainer Pet Stroller for Dogs and Cats, Flash Orange Designed to be be pulled behind a bicycle or used as a jogging pet stroller, active pet parents love our cross-trainer strollers! Comfortable, padded handle is great for long walks/runs Large rubber wheels on the back offer comfort and control Mesh and roll-down plastic windows for ventilationand to give pets a great view Each is brightly colored, and includes a safety flag for added visibility