The Magbelt is a magnetic belt, with no holes, flap, or troublesome buckles. The Magbelt is only belt with the patented AMS (Adjustable Magnet System - US patent: US20150237938A1) The magnets are hidden inside the belt, and adjust from the inside for a boundlessly adjustable fit. So if you get super skinny, or chunky monkey, the belt will still fit great.