Answer:
I can go through glass without breaking it.
When it comes to me, you go on red and stop on green. What am I?
I am black when you buy me, red when you use me. When I turn white, you know it's time to throw me away. What am I?
I open to close but I close to open. I'm surrounded by water but I'm never soaking. What am I?
I am an animal and a hair product
Those with eyes bigger than their stomach will definitely leave the restaurant with one of them. It is named after a house pet as well.