Our top-opening backpack with a padded back panel to store your laptop. Fill the main compartment and fasten the top roll-up buckle to secure your belongings. §10-11§Main compartment with front and interior zippered pockets§10-12§Height: 44.5 cm, Width: 30 cm, Depth: 12 cm§10-13§Made of 100% nylon§10-14§Padded back panel and adjustable shoulder straps§10-15§Padded laptop sleeve for most 13-inch devices§10-16§Side bottle holder§10-17§Product care:§10-18§Clean the outer fabric with a slightly damp cloth. Do not bleach. Do not immerse in water. Hang in a shady place. For deep stains, clean the fabric with a cloth or soft brush, using water and mild soap. You can also use a universal protective spray for added care and protection.