Klip Xtreme KNB-419BK BlackStone Notebook carrying backpack - 17.3" Klip Xtreme KNB-419BK BlackStone Notebook carrying backpack - 17.3". Featuring a dedicated laptop compartment and a separate slip pocket for a tablet, this backpack offers ample storage space to perfectly accommodate your portable devices, accessories and all those essentials you may need for the journey. An ergonomically padded back panel provides superior lumbar comfort. Its sturdy construction, coupled with double stitched seams, ensures superior durability while accentuating your urbanistically modern and functional style.