Skylety 12 Pieces Elastic Button Extender Neck Collar Extender for Shirt Dress Coat, Black and White Button extender measurement: the button is approx. 10 mm/ 3/ 8 inch in diameter, with elastic cord, suitable for various kinds of clothesApplicable button extender: this kind of button extender is suitable for shirt, dress, coat, collars, cuff, etc., solving the problem of gaining weight, clothes shrinkage or pregnanceEasy to use: simply loop one around your shirt button, no sewing or other tool is required to attach our collar extenders to your shirt, and it only takes a few secondsQuality and general: made of metal, quality and durable, and the button has 2 colors, black and white, common and general color, can match with most dressesQuantity: the package includes 12 pieces of button extenders, 6 pieces in each color, enough for your multiple choicesSkylety 12 pieces elastic button extender neck collar extender for shirt dress trousers pants coat, black and white Applicable button extender: This kind of button extender is suitable for shirt, dress, coat, collars, cuff, etc., solving the problem of gaining weight, clothes shrinkage or pregnance. Easy to use: Simply loop one around your shirt button, no sewing or other tool is required to attach our collar extenders to your shirt, and it only takes a few seconds. Specifications: Button diameter: approx. 10 mm/ 3/ 8 inch Material: metal Color: black and white Quantity: 12 pieces Package includes: 6 x White button extenders 6 x Black button extenders Note: Due to manual measurement, there may be slight error in size. Colors may look a little different due to different monitors.