KONG Extreme Dog Chew Toy Review: Does It Survive a Power Chewer?

The black KONG Extreme is the densest rubber in KONG's classic line, marketed specifically at dogs that destroy the standard red version in a single sitting. We handed a size-large Extreme to a 60-lb mixed-breed with a well-documented habit of shredding anything softer within twenty minutes.

It survived. Not unscathed — there's a visible tooth-groove pattern after three weeks of daily sessions — but no chunks came off, and the hollow center kept its shape well enough to still hold peanut butter and freeze solid for the slow-lick version of the game.

Where it earned the name

• No structural cracking after three weeks of daily 20+ minute sessions
• Hollow shape still bounces unpredictably, which keeps fetch interesting
• Stuffable core means it doubles as a frozen treat puzzle

This is the only chew toy in our rotation that our test dog hasn't opened up like a present.

Where it fell short

• Noticeably firmer than the red KONG — puppies and seniors with weaker jaws may ignore it
• Surface staining from peanut butter and canned food doesn't fully wash out

Worth the upgrade over the standard red KONG for any dog that's already destroyed one. Skip it for puppies still building bite strength — the classic version is the better starting point.