High Quality Material: Environment-friendly waterproof lightweight polyester. High brightness reflective vehicle light at night, so that vehicles pay attention to avoid. Strong, wear-resistant and durable, make you feel comfortable when carrying, scientific and reasonable design to meet your travel or school needs. Large Capacity: Main pocket + compartment + secondary zipper pocket + insert pocket + zipper pouch + 2 side mesh pockets S(40x29x19cm/15.7x11.4x7.5in); M(45x30x20cm/17.7x11.8x7.9in), top handle, adjustable shoulder strap, suitable for your laptop, ipad, charger, books, clothes, snacks, wallet, pencil case, wallet, textbook, notebook, etc. Side pockets can hold umbrellas or water glasses. Perfect for girls boys teens child! Multifunctional: This backpack is an excellent backpack for daily life. Lightweight and portable, suitable for school, university, work, weekend vacation, tourism, hiking, camping, hunting, hiking, cycling and other outdoor activities. The laptop bookbag comes with well-padded shoulder straps, ideal for you and your loved one. Perfect Gift: Ideal present for new year, birthday, christmas, this cute backpack available for all types of occasions for college use, casual daily use, day-trips, sporting, traveling, ect.