Scientific and reasonable layering, tolerating your various sundries, and comfortable traveling. Single-side storage mesh pocket for water cups, folding umbrellas, etc., easy to access. Waterproof fabric, comfortable and delicate feel. Breathable fabric for backpack straps, no stuffy feeling when exercising, always keep comfortable. Foldable backpack design, easy to store without taking up space. Designed with a variety of colors, both men and women can carry it, adding color to outdoor travel. Take it with you when you go out, and make your life lighter, it can be put into backpacks, handbags, or suitcases to meet the needs of hiking, leisure shopping, and so on. Made from polyester material, measuring 11.8*16.1*4.3 inches, this custom outdoor portable foldable backpack. Usage Scenarios: Office supplies, school stationery, corporate promotions, trade show giveaways. We offer logo printing and full packaging customization. Product Highlights: Portable, durable, practical for daily use.