The Balance EcoSmart Checkpoint Friendly Backpack has an advanced ergonomic design for maximum comfort ergonomist-certified features include adjustable features that help distribute load evenly and help to reduce fatigue from longterm wear. But more than that, it?s designed with the environment in mind. Its PVC-free fabric is woven from recycled water bottles, its hardware is nickel-free, and its zipper pulls are recyclable. The pack boasts enhanced protective elements like the SafePort Sling Plus, which suspends your laptop inside the pack to help protect it from drops, plus Targus-quality padding on both the side and front of your device for additional protection. Weather-resistant materials also fare well against the elements to help keep your devices, paperwork, and business cards safe.