These are good but most dogs just chew off the green part really quickly leaving a mess to clean up and the possibility of swallowing the green material.

Pros: ends are very durable

Cons: green part not very durable

My Lab is a big chewer and this is a safe alternative to rawhides. She doesn't have to digest anything and can chew for hours. She loves it!

Pros: Long lasting

Cons: cost

Here's a product that really holds up to strong chewers and cleans their teeth well. It cleans easily and has replacement parts.

Pros: Good for stong chewers

Cons: none

This is a great toy. My dog has had it for over a year and he can't kill it!

Pros: Durable, Fun

Cons: Dog Gets Bored With It Because He Can't Destroy