The system bag is a great addition to your lensbaby gear the removable and adjustable elastic straps inside allow you to customise and carry your favourite lensbaby shooting set up the bag includes several convenient compartments including an outside zipper and an inside mesh sleeve perfect for stowing your aperture kit macro kit or even extra media cards velcro straps on the bottom of the bag allow you to attach one system bag to another further expanding your capacity to easily tote all