ENKNIGHT Casual School College Backpacks Laptop Bag Schoolbags Daypack Polyester Overall dimension - Approx.12.6x5.8x16.5 inch/32cm*15cm*42cm(L*W*H),strap length is 15.7-36 inch and width is 2.2 inch(5.5CM),fits 15" laptop. DURABLE - Made with High Quality Water and Tear Resistant material.Duarable Abrasion Resistant SBS Metal Zipper Avaliable.Reinforced more than 12 places with Bartack Process.Special silicone pad with superb friction control and wear protection. Many pockets and Versatile - Main pocket designed with a laptop compartment and a ipad compartment,a small zipper pocket for your Iphone,passport or wallet.Front pocket with a key chain and many small pockets for your pen,wallet,name bank,CDs,bank card,keys,phone and other personal belongings.Two side mesh pockets for water bottle,umbrella.Many pockets and multifuntion can meet your all needs. Simple but stylish - Suitable for schooling, shopping, dating, travelling, etc. Fits for young adults, teens, college students,women and ladies. Comfortable to carry - Adjustable and thick padded shoulder to meet different requirements for both men and women,the bottom and back of backpack have a sponge mat,make the daypack more comfortable to wear.