35 Pockets for organizing tools;Impact Resistant Molded Base - Protects contents and allows backpack to stand up;1680 Ballistic Material;Load-Bearing Harness- Padded and Breathable for all day comfort;Laptop Sleeve - Holds Laptops up to 15.6";Bulk Pocket - Quick access to bulks items such as fish tapes and power tools;Attachment Strap - Allows bag to be easily and securely attached to vertical handles