Never leave a pet unattended with any treat or toy!
"More durable than the red"
My dog goes through a red Kong flyer in 2 weeks max. These black ones last a couple of months. Yes, they're not the same material, but my heeler likes to shake the everlovin' out of it when he catches it - these survive and the red ones don't.
"poor substitute for red Kong flyer"
I tried the Extreme Flyer for one day (about 15 min.) and knew it was inferior in quality to the red Flyer I have used for several years. I immediately sent it back to Jeffers and URGE you unhappy customers to do the same.
"make this thicker!"
did not hold up like the regular red kongs we have been buying for years. thought it would be made from the same material as the black kong chew toy! our dog loves to shake it and catch it, but his tooth went through it first throw, then just a matter of time till it was a round piece of rubber!
This is heavier duty than the red flyer, but still not something to be left to chew on. They can get their teeth through it. Great for frisbee and also fun for tugging!