This backpack is perfect for all your leisure and work needs. It features a high-density canvas exterior and a polyester interior. With a capacity of 18L, it can fit A4 items and laptops up to 13.5 inches. The backpack includes two side pockets for bottles or umbrellas, a main compartment with a concealed double zip, an internal zipped pocket for a laptop/iPad, a front zipped pocket for essentials, and an anti-theft pocket on the back. Measurements are external; internal measurements may differ by 1-2cm. Manufacturer details: Bing Li, Unit 2 Rhymney River Bridge Road, Cardiff, Wales, CF23 9FP, United Kingdom. Email: brand_service_en@outlook!com. EU Representative details: Halterner Technologie GmbH, Breitscheider Weg 3 117a, 40885 Ratingen, Germany. Email: halterner_service@outlook!com. Shipping is limited to most of GB mainland and excludes BEPO ADDRESS OR CHANNEL ISLANDS.