Product Description: ✔️【Material description】100% polyester ✔️【Product performance】 [Product Performance] Ergonomic: Adjustable Shoulder Straps and Re-use Cushion Pads to Provide Comfort, Provide Cushioned Cushioning Protection for Laptops or Tablets, and Protect When You Carry Heavy Objects. No More Uncomfortable Feeling in The Palm. [Applicable Scene] Multifunctional Backpack: Fashion Jacket is a Special Equipment of Backpack. Light and Portable, Suitable for School, Work Weekend Vacation, Travel, Adventure Travel, Activities, Hiking, Traveling, Bicycle and Other Outdoor Activities, etc. Also Great for Thanksgiving, Halloween, Birthdays, Birthday Gifts to Your Best Friends, Family, Classmates, etc. [Accessories Structure] Large Capacity: ✔️1 Main Compartment Inside, 4 Small Internal Pockets, Suitable For Your Laptop, Charger, Books, Clothes, Snacks, Wallets, Pencil Cases, Wallets, Textbooks, Notebooks, Etc. Make In Order . ✔️2 X Side Mesh Pockets. Adjustable. Suitable For Your Umbrella, Water Bottle And Juice Box. ✔️1 Front Zipper Pocket, Suitable For Your Keys, Mobile Phones, Small Napkins, Pens And Some Small Things, Or Other Elementary School Supplies ✔️【Washing instructions】It is recommended to wash by hand, do not bleach, and dry naturally. ✔️【Special Note】This size data is normal due to different measurement methods. The error is within 1-3cm.