INSIDE -Always On Design provides open & closed protection -Neoprene stretches to accommodate cables & power supply -Narrow elastic corners hold laptop in place and allow maximum viewing area -Mesh pocket for accessories -Form fits to accommodate all contents OUTSIDE -Fits Inside other bags or backpacks -Neoprene material protects, providing cushioning and a padded work surface. -Lightweight - Weighs less than 1 pound -Dual easy grab zipper pulls for easy access -Stay Connected System� allows other items to be hooked on the OUTSIDE for easy access (Accessory pouches available) -Waterproof fabric adds extra level of protection -Synthetic leather strip protects exposed laptop ports -Feels great -Washable