Featuring bright bold colors and durable silnylon, the ElectroLight Backpack isso lightweight and compressible that it will meet the needs of even the most minimalist travelers and backpackers. It unfolds from a compact pouch to full backpack and has non-slip adjustable straps. Durable silnylon fabric is water and stain resistant Unfolds from compact pouch to full back pack Non-slip, adjustable strap Internal pocket Ultra-lightweight Expanded: 17" x 13" x 5" Compressed: 3.25" x 3" x 2"