Penguin Vertical Mouse - Small Wired

The Penguin Vertical mouse allows the user to move with either right or the left hand.  Regular switching of hands throughout the day helps prevent static muscle strain in the arm and shoulder.

To ensure you order the correct size, please measure the crease from your wrist to the tip of your middle finger;

Small: 0-16cm
Medium  16-18cm
Large 18cm and over