ACME Studio's Roller Ball Refills, comes in a pack of 5 refills, in either black or blue ink. Each refill is packaged in a sealed plastic sleeve, which is packaged in a black ACME refill box.
About ACME Studio
Started in 1985, ACME Studio is an international product design company, producing and marketing writing instruments, and other design objects. Its products are the result of cooperation with the world's leading architects, designers, artists, foundations, estates, and institutions. ACME Studio has a habit of producing limited editions and/or discontinuing products and destroying the molds - this causes items to become very unique and collectible.