The Sneaky Sack is a discreet storage bag that is the best place for hiding your personal items from kids roommates guests and others. The exterior is made with a fabric called Lustra a cotton blend. This durable waterproof bag has a Soflux lining inside that is resistant to bacteria growth allowing products to remain clean and germ free. It provides pockets for separating contents easier organization to keep items from accidentally damaging one another and provide better organization. Interior of main compartment is 17.25"H x 12.5"W front pocket is 12"H x 12"W and back pocket is 13"H x 12.25"W. The Sneaky Sack is waterproof and washable.