This messenger bag is made of high density canvas and top quality leather, large size with multiple pouches, ideal for keeping personal belongings. The size of the compartment for laptop is 16" ~ 15" (L*H). It's good for your laptop, B4 size books, drinking flasks, purse, pencil case, passport/social security card, mobile phone and iPad, etc. Functional and well-designed, lightweight but durable, carry comfortable.You can fit the following item:1. A fresh shirt/Socks/Undergarments/Pants2. Bar soap3. Battery charger4.Books5. Camera6. Cigarette7. Credit cards8. Drinking flasks9. Earphones10. iPad11. Mobile phone12. Passport/Social security card13. Pencil case14. Sunglasses15. Umbrellas 16. Wallet SPECIFICATION:*Main Materials: Density Canvas, Cow Leather*Gender: Unisex *Size(L*W*H): 18" x 6" x 18" *Adjustable strap: from 33" ~ 59 *Strap width: 2"*Handbags Type: Briefcase, Laptop bag, Messenger bag, Shoulder bag*Exterior: Open pouch *Interior: Two Interior Slot Pouches, Two Interior Zipper Pouches*Closure Type: Zipper*Style: Casual*OCCASIONS: Sports, Traveling, Climbing, Working, Shopping,?Dating, etc. FEATURES & BENEFITS:1.Comfortable top handle and adjustable shoulder strap.2.Fashion vintage design, well sewn craftsmanship.3.Various pouches inside, super large capacity. HOW TO MAINTAIN THE CANVAS MESSENGER BAG?1. For light dirt from everyday use, brush your canvas and leather bag with a stiff brush.2. Initial wash in clean water to add a little salt or vinegar first, then package immersed in about 30 minutes, you can prevent fading!3. For general stains or discoloration to the canvas, treat with a commercial fabric cleaner, or blot with tepid water and a soft cloth.4. DO NOT wash it with alkaline detergent., hang to dry and store in ventilated place instead of sun exposure.