The Classic Laptop Backpack is a fully zippered backpack that fits most 13 inch laptops and some 15 inch laptops. The laptop pocket is raised off the bottom of the pack to help protect it when you put your pack down. Two zippered exterior pockets hold small items like a calculator, protractor, notepad and iPod. Other great features include adjustable padded shoulder straps, top handle, padded back, water bottle holder and interior holders. Case-it is committed to helping you organize your life.BKP-303, like all of Case-it's binders, uses Kraft board instead of PE board to give its binders a firm, stiff shape that won't buckle or warp. We build our binders using only the highest quality materials to strengthen and maximize durability for a consumer on the go The spine is specially designed so that your binder can lay flat when open, making it easier to add or take papers out, and to take notes in. THIS ITEM IS NOT INTENDED FOR USE BY CHILDREN 12 AND UNDER Case-it knows that our customers depend on our binders every day, throughout the year. As such, our products come with a 1 year warranty. Original proof of purchase is needed. Note: This warranty does not cover any problem that is caused by normal wear and tear, abuse, neglect, heat, humidity, maintenance, or modification of the product. If it is determined that the problem is a result of any of the above, the warranty will become null and void. The original purchase receipt is required for all warrantied items. Please email the below information to [email protected] if you would like to submit a warranty claim. Proof of purchase Item stock # and color Image of white tag with UPC (usually located inside) Image of the damaged part Replacement ship to address