1.9cm x 1.6cm x 1.0cm Approximately 2ml Magnets are not included. Please comment or refer to the page with magnets. Due to being an overseas product, there may be some imperfections or errors within 1mm. Please consult for individual sales or changes in quantity. Individual sales start from 19 yen + 250 yen shipping. (With magnets, it's 21 yen per piece) Free shipping for orders of 100 or more.