1. DURABLE ALUMINUM PULL ROD: Experience smooth pulling with our robust aluminum alloy rod. The adjustable design offers two height settings for versatile pushing and pulling. Its ergonomic grip molds to your hand for maximum comfort, allowing for gentle stretching. The foldable storage feature saves space. Rigorous testing ensures stability even after multiple uses. 2. REMOVABLE AND COLLAPSIBLE STORAGE: Our versatile bag can be pulled, carried, or worn, making it perfect for on-the-go use. The double-sided zipper allows for easy access, and the fully folded structure provides convenient storage when not in use, taking up minimal space. 3. COMFORTABLE GRIP: Designed for extended use without hand fatigue. The separate trolley bag for pets transforms into a portable pet carrier for hassle-free travel. Featuring breathable mesh storage and high-visibility reflective strips, it offers practical storage solutions for transporting items while out and about. 4. SIDE DOORS ON BOTH SIDES: Generous openings allow easy in-and-out access for your pets. Zipper openings are conveniently located on both sides, enabling quick entry or exit without hassle. This multiple-opening design enhances usability and ensures convenience during outings. Use scenarios include taking your pet for a walk, easily transporting shopping items, or enjoying a day at the park without worrying about storage issues. The combination of features makes this product an essential tool for pet owners and outdoor enthusiasts alike.