16.54″ x 12.2″ x 3.94″, one main compartment with multi small pockets, holding up to 15.6Inch laptop, inner pockets suits for laptop,pens,power bank,mouse,keys,phones,charger,etc. 1 side pockets and 1 front side zipper compartment for your cup,umbrella,notebook and other little stuffs. Making your bag organized. We use water-repellent Oxford fabrics and Polyester for the slim business travel backpack, make sure it is durable to withstand harsh conditions and easy to clean.