There are many different colors available. The Fjallraven Kanken Mini is available in 59 colors. They sell for $70.

If you want to buy a new Kanken, you can go to the Fjallraven website. They have a limited amount of stock, but the popular colors tend to go out of stock quickly.
rainbow backpack
Originally designed in the 1970s to prevent back problems in Swedish school children, the Kanken backpack has become an iconic Swedish symbol. Since then, it has straightened millions of backs around the world.