An equipment bag is essential for sportsmen and people in the medical profession, plumbers, electricians, etc. for carrying their instruments and gear. They usually come with multiple compartments to accommodate all the necessary gear.
Soccer enthusiasts find it convenient to carry all their things in this smart black bag with white borders.
A mesh equipment bag, apart from accommodating all your instruments, would also allow last-minute checks to see if you missed anything.
Doctors and medical staff would find this square black equipment handy to carry their instruments. It has a long shoulder strap for easy carriage.