This Stanley 195611 backpack has a zip fastening design from top to bottom that allows the backpack to open in two half's, also there are compartment pockets inside to told your tools securely and tidy, so you don't have to rummage around looking for the required tool like you would in a conventional tool box.
Stanley have used good top quality material in this backpack, that will with stand site working conditions and all weather conditions.
There are two side pockets for larger items, plus a net back pocket that is ideal for plans, papers etc.
The 195611 has a padded back for comfort and a weightless feel and two padded shoulder straps for extra added comfort.