Massive and Expandable Capacity: With a 70L capacity, it's perfect for long adventures and camping trips lasting a week or more. Practical and Suitable Dimensions: The approximate dimensions for the 60L model are (60 cm height × 35 cm width × 20 cm depth), designed for balanced and comfortable weight distribution. High-Quality and Water-Resistant Materials: Made from durable and abrasion-resistant fabric with water resistance, includes an integrated rain cover for added protection (a common feature in this category). Comfortable Back Design: Equipped with padded and adjustable shoulder straps and a lumbar support strap, with a comfortable back ventilation system to reduce stress on long journeys.