When Luchi was 4 months old we got this for him. He chewed through the keys easily and then played with the ring for a few days. The keys came apart in chunks which were left all over the floor. He was apparently too aggressive of a chewer for these and other puppy teething aids. I would recommend for light to mild chewers.

Pros: Great for teething of young puppies

Cons: Does not stand up to aggressive chewers

My lab loved these when she was a puppy...and they were quite durable.

Pros: all

Cons: none

These colorful keys were WONDERFUL when my big adults were just little puppies. I remember when they used to knaw on these for hours!

Pros: Fabulous time consumer for puppies. Keeps those little puppies occupied with the keys, and not with the couch legs.

Cons: they become quite sharp if knawed on one key for a while.

This is another great nylabone pruduct. They are long lasting but soft enough for your dog to sink its teeth into. Just make sure to watch your dog while playing with the keys.

Pros: Perfect for the Teething Doggie

Cons: Watch Supervised

I have fostered puppies for the Humane Society and all the pups loved these. They finally broke them off the ring but still played and chewed on each individual key.

Pros: can keep several puppies happy

Cons: none