What size to get for a Graphics Tablet HD

I compare the small, medium and large graphics tablet from Wacom and Huion. Find me also on Youtube: https://www.youtube.com/user/teohyc ParkaBlogs: http://www.parkablogs.com Facebook: https://www.facebook.com/parkablogs Twitter: https://twitter.com/ParkaBlogs G+: https://plus.google.com/u/0/+TeohYiChie Flickr: https://www.flickr.com/photos/parkablogs Tumblr: http://parkablogs.tumblr.com Instagram: https://instagram.com/parkablogs Patreon: https://www.patreon.com/parkablogs