- Waterproof design: Made of waterproof material with waterproof zippers that open on both sides, a widened waterproof flap, and reinforced seams. This helps keep your items dry in rain or snow. - High quality material: Car Roof Bag built from heavy-duty wear-resistant PVC fabric that is 1 to 2 times stronger than the 700D PVC fabric used in many other roof bags. Designed to withstand bad weather and long-distance travel. - Design features: A compact, foldable roof bag that can be collapsed to a small size for easy storage in the trunk or a storage bag, saving space when not in use. - Easy to install: Quick to fix to any car in minutes. L works with or without a dedicated roof rack, enabling installation on most vehicles without special hardware. - Use scenarios: - Family road trips: expand cargo space for luggage, strollers, or sports gear while keeping items protected from the elements. - Weekend getaways or camping: carry tents, sleeping bags, and gear without compromising interior space. - Moving or transporting bulky items: add extra capacity for boxes or equipment when a roof rack is unavailable. - Additional notes: Provides practical, reliable storage expansion with a focus on function, compatibility, size (compact when not in use), material strength, and performance in varied conditions.