Thank you for viewing! These are double-sided acrylic charms featuring the popular "Chikawa" characters. This listing is for a set of 10 charms. The front and back have the same design, except for 3 charms which have different designs on the front and back (see images 6, 7, and 8). Please refer to the images for the size. Feel free to ask any questions in the comments. Thank you. Hole size: Approximately 2.8 mm Quantity: 16 Material: Acrylic Thank you.