You probably had the same idea as my colleague saving money by refilling your ELFA Pods? Next this item comes in handy storing them with as less space consumption as possible. 

• No support needed
• 4 round magnets 4x2mm
• Cylinder dia 7mm, height 54mm
• 0.4mm nozzle or less recommended to fit magnets well
• Fidget like handling of the cover. Snaps in middle and 2 cylinders away each side