Backpack made from fabrics made from recycled PET plastic bottles (Global Recycling Standard certified). Exterior made from durable and water-repellent 900D RPET polyester (with an eco-friendly water-based polyurethane coating). RPET TC Polyester lining. Double zippers with YKK® AquaGuard® PVC closure (padlock not included). Separate padded compartment for laptops and tablets, accommodating laptops up to 17" (12" discs also fit). Internal pouches, compartments, and zippered pockets to organize smaller equipment. Quick-access front compartment. Mesh hanging pocket for headphones or cameras. Expandable side pocket for bottles. Comfortable padded air channel on the back with a hidden pocket for documents. Contoured and ergonomic shoulder strap with metal buckles and an adjustable chest strap. Trolley strap. Compatible with carry-on luggage.