Product Performance:The High-Density Pu Plain Weave Cloth Is Strong And Wear-Resistant. The Whole Bag Is Stylish And Lightweight. The Adjustable Shoulder Strap Can Be Adjusted To Your Comfortable Length At Will. The Widened Shoulder Strap Design Can Relieve Back Pressure And Protect The Shoulders, With Large Capacity Designed To Accommodate 15-Inch Laptops And Ipads. The Main Bag Is Large Enough To Hold Books, Clothes And Other Daily Necessities. It Can Help You Organize Your Daily Work, Study Or Travel To Bring Convenience. Casual, Simple, Stylish Appearance Coupled With Your Personalized Customization Will Bring You A Wonderful Experience. Accessories Structure Top Handle Strap, Adjustable Shoulder Strap, Ergonomic Back Pad, A Main Pocket Built-In A Large Patch Pocket To Classify Your Items, And A Mesh Pocket On Each Side Of The Body Can Hold Bottles, Umbrellas, Etc.