NWT Rains Mini Backpack; Pink Sky; Waterproof; Weather-resistant hardware; One main compartment; Side-access 15" laptop sleeve; Materials: polyester & polyurethane; Water column pressure: 8000 mm; Padded laptop sleeve inside for 15" & 13" laptop; Snap buttons at opening; front buckle closure; TPU adjustable backstraps; please feel free to drop any questions in comments.