Description: Spacious Capacity: The backpack offers a generous storage space of 68cmx36cmx25cm/26.77inchx14.17inchx9.84inch, great for carrying all your essentials during hiking, camping, or any outdoor activities.High Load Capacity: With the ability to carry up to 60kg, this backpack frame is designed to withstand heavy loads. It's ideal for those who need to carry a lot of gear or supplies.Ergonomic Design: The heavy carrying backpack frame not only conforms to human ergonomics but also leaves enough breathable space for your back. The chest adjustment straps features a design for added comfort and breathability.Premium Material: Made from quality aluminum alloy and nylon, this portable foldable bag frame is sturdy and reliable, ensuring long term use even in harsh outdoor conditions.Convenient Features: This heavy carrying backpack frame comes with a double loops design that allows you to hang small accessories like communication devices or water bottles easily. It also features thick sponge padding inside for great resilience and comfort. Specification: Material:Aluminum Alloy Nylon Size Chart: Expanded Size 72cmx36cmx28cm/28.35inchx14.17inchx11.02inchFolded Size 72cmx36cmx8cm/28.35inchx14.17inchx3.15inchCarrying Space 68cmx36cmx25cm/26.77inchx14.17inchx9.84inch Package Includes: 1 Heavy Carrying Backpack Frame Note: Please allow slightly errors 1-2cm differences due to manual measurement.