Product Description Material: Nylon Size: Round Head 11MM, Bottom Seat 18MM, Height 17MM Color Black Quantity: 30pcs Package Contents: 30* Chef Service Knobs 1.【THE PERFECT REPLACEMENT】： Do you regularly lose chef jacket ball buttons while working? Then you have found the right replacement chef jacket buttons set here.2.【COOKS BUTTONS TO PIN ON WITHOUT SEWING】： These practical chef jacket replacement buttons can be attached to the chef jacket without any problems - the ball-head buttons go through the buttonholes on the button placket plugged in - without sewing.3.【HARD PLASTIC CHEF'S JACKET BUTTONS】：IN BLACK，The high-quality ball head chef's jacket buttons rarely break and close your chef's jacket button strip up to the top head.4.【BALL BUTTONS FOR CHEF'S JACKETS WITH】：11mm head diameter is considered a standard size for many different chef's jackets from well-known manufacturers5.【SCOPE OF DELIVERY】：30 x chef's jacket spherical buttons, in black, made of hard plastic, total size: round head 11MM, lower seat 18MM, height 17MM, DIY Accessory for Cook jackets and Chef vests.