Use extenders to give instant relief from tight collars and waistbands. Will extend shirts, skirts and trousers by a whole half size. White - 12mm, 0.5in. A pack of white collar extender “buttons”/collar extenders from Hemline, designed to give a bit more room around a shirt collar when the top button feels too tight. These small plastic extenders are a simple accessory for everyday clothing — especially useful if your shirt collars feel snug but you don’t want to wear them unbuttoned or resize the shirt.
