The MB4B is a gate mouth style meter bag enabling quick and easy access to the inside of the bag. Wear the MB4B over both shoulders using the INCLUDED BACKPACK STRAPS, over a single shoulder via the optional padded shoulder strap (sold separately), as a sling bag using the Sling Strap (sold separately), or at your side with the leather-gripped handles. The MB4B comes with the Padded Insert Box. The divider inside the removable padded insert box can be repositioned to secure and separate a meter from other tools; three internal pockets enable further partitioning of tools, and the MB4B features 11 exterior pockets on the side and front as well as a padded tablet computer pocket on the back.You can purchase additional Padded Insert Boxes, as well as other helpful add-on items, below.