Back strap can be attached to FATMAX on wheels tool bag (FMST1-80148). Can store a Laptop, up to 15.6“. Closure with quick release snap buckles. Ergonomic carrying handle. Heavy duty 600-denier fabric. Multiple pockets, tool straps. Padded pocket for laptop PC , tablet or A4 documents. Removable padded shoulder strap for extra comfort during transport. The front opening allows quick access to content.