Plastic dolls eyes, with silicone flesh.

Make it into a Gorenament by adding the eyeball to your cart, then selecting your string colour and adding that to cart, here: https://www.freakmo.com/gorenaments/add-string

If you also select a string, I’ll put the selected string through it before it ships to you.

Alternatively, put it inside a bauble! Add the eyeball to your cart, and add a bauble to the cart, here: https://www.freakmo.com/gorenaments/put-it-in-a-bauble