A Slim Fit Converter in black microfiber. This converter narrows the fitting in Diamant sandals. The insole improves the correct fit in ladies dance shoes for narrow feet. The rubber foam on the bottom side is skid-proof and does not need to be fixed with glue. Sizes 1 = 1½-3½, 2 = 4-6½, 3 = 7-9½ (UK sizes)