Baymax Head Toggle Clasp

My Girlfriend was crafting a fleece poncho made out of a custom Baymax print. When finished, she mused that she wished she had a Baymax head shaped button to use as a toggle clasp for it to attach with at the neck. Naturally I felt the need to whip something up for her!

This little guy is 5cm long, 2.5cm wide, and 6mm deep. The groove between his eyes is 2mm deep below the main surface to allow room for a threading to loop between the eye holes and into the cloth below. It could be used as a