Size: the diameter of small ones are 18mm (about 0.7 inch), and the diameter of big ones are 23mm (about 0.9 inch). Please kindly check the sizes before purchase Quantity: 8 Buttons sized 18mm , 6 Buttons sized 23mm, totally Set of 14 metal premium Blazer Buttons for men Using: metal button set is for men's blazers, jackets, suits, etc MebuZip 14 Pieces White Gold Metal Blazer Button Set 18mm 23mm for Blazers, Suits, Sport Coats, Uniform, Jackets (MBM36)