My outside cats wear these. It makes it nice when I can spot them at night.

Pros: I can spot my cat at night

Cons: none

I wish these had been around before I bought the flashing light attachment. I have to keep furning mine on and off.

Pros: Light sensor saves batteries

Cons: None

This is a great invention! Protects kitties in the dark,as well as providing vital information on your cat.

Pros: Protects cats in the dark

Cons: Takes batteries

I love anything that will help keeps cats safer in the dark.

Pros: Keeps kitty safe in the dark

Cons: Could be cuter

I have a black dog, and this helps make her visible at night as we walk.

Pros: Bright, long lasting battery

Cons: none