Moco has a
plain black one
purple one that has "I'm a good boy" stitched on it
orange one with paw prints
dark blue one with light blue snow flakes
dark blue one with a bunch of christmas trees on it
halloween one with pumpkins, and bats.

Emma has
A roxy collar with the roxy logo all around it
A blue one with dog prints
A pink one that says "I'm a good girl"
Orange one with little yellow tennis balls around it
Purple one with little jewels