Product description: Shape: round; Finish: polished; Colors: super white; Sizes: 8mm (14l), 10mm (16l), 11.5mm (18l), 12.5mm (20l), 14mm (22l) 15mm (24l), 18mm (28l), 20mm (32l), 23mm (36l) or customized; Thickness: 1.0-3.0mm or customized; Holes: 4 holes Application: standard collar, t-shirt, formal shirt or printed shirt, ladiesâ?? shirt, polo-shirt, uniform, skirt, shirt, blazer, suit, cufflink, blouse, sleeve, pant, sweater, kidswear, workwear, coat, jackets, sport coat, children wear, menswear, women wear or ladies clothes, vest etc.