A thin, strong and flexible clear plastic belt, that virtually disappears when worn, providing you with the assurance that all is secure without even knowing it's there. isABelt prevents back gap, slippage and of course, belt bulk and buckle bulge. The isABelt solves all of these fashion issues and many more. The isABelt is a functional fashion invention that fixes a difficult problem with a simple solution. Easy to use, you pinch below the adjuster and slide it downward. Do not adjust as a bra strap, directions are repeated on the package. The belt is fully adjustable, and is sure to fit. A great accessory for everyone. The Classic isABelt measures just under 0.5 inches wide and is adjustable up to size 14 and down to as small as you need it, and size Plus is adjustable up to 50 inches. Remember - fully adjustable means that all belts will adjust down to smallest size.