The carry-on backpack is crafted from durable, water-resistant polyester and scratch-resistant materials, ensuring reliable protection during rainy weather. Its sturdy metal zippers are designed with double-sided smooth rails and reinforced stitching for added durability. This lightweight bag offers leak-proof security for your belongings even in wet conditions. Additionally, the hidden anti-theft pocket on the back is perfect for safeguarding your valuables like keys, cash, and other important items, providing extra peace of mind while traveling. This price includes the shipping cost to CA. The prices for 800pcs or over are based on ocean shipments.