Back to School Special. Backpack for School, Travel, Camping, Light but Very Durable, Colorful, Waterproof. Extra Features &ndash; Safety Reflective Strip, Whistle, Rain Cover. Stands Out from All Others. Lightweight and breathable material, waterproof, easy to carry, laptop compartment holds up to 17" computer Very durable, can carry up to 44lbs. (20kg), extremely well made, well-thought-out design Multifunctional. Perfect for school, traveling, hiking, camping, or other outdoor activities Earphone/drinking straw hole. 2 side mesh pockets. Bottom pocket contains a protective rain cover Safety reflective strip for night visibility, safety whistle, chest strap to keep tight fit