Rapid Cap is functional and ensures the user does not have to touch the inner needle cap during application and removal. The guide helps the user to the centre, where they can push the pen down using their dominant or weaker hand. When the cap has been applied or removed a ‘click’ tells the user that the lid has been removed or replaced.
The outer casing is durable for everyday knocks and drops, it is easy to clean and does not discolour easily. The silicon pad on the bottom is non-slip on hard surfaces. If fluid like water enters the unit the user can simply turn it upside down to dry the internal parts.