We have 2 Boston terriers who are savages when it comes to shredding toys. They love these balls and so far have not destroyed any of them. We only let them have the green and yellow treat balls for an hour or so at a time (when they’re being pesty and I’m trying to get something done), but they’ve had them an accumulative 8 hours or so with no damage yet. The rope ball came partially undone the first time they played with it but it’s held fast since then. The only issue with that is that the puppy likes to take the loose end in her mouth and swing the heavy rope ball at the grumpy dog’s head when Grumpy won’t play with her. So now we keep an eye on them when they play with the rope ball to make sure no eye or head smashing occurs. Overall, I’d say these are a great value and I’d buy them again.I believe my pup will love this.I bought it because my puppy ? was bored and she was chewing my couch. Now she is relax and she play every day with the balls.My puppy loves these toys! The puzzle ones keep him occupied and provide him with a challenge. He was able to figure out, pretty quickly, what he needed to do to retrieve the treats from inside the toys. Unfortunately, the squeaker ball did not last as long. Within a week the squeaker stoped working. To be fair, he plays with it the most! He absolutely loves it!My dog prefers balls that squeak. There was only one in this package that squeaks. Other than that they are goodWe just adopted an 8 month Airedale Terrier.He has really enjoyed learning fetch.The toys that allow treats inside have also helped distract him from our separation while we leave for work.My dog loves these! They are very durable - great for big chewers. He really likes the yellow treat dispenser ball - works well. The Green ball doesn't hold treats in it very well so we just let him play/chew on it empty. Good value and good quality, so I'd recommend them!Great set of toys. My puppy likes his green ball. It is a medium soft ball. Easy to put all kind of goodies ?. Size of green ball like a tennis ball. Yellow ball is little bit bigger. Red ball just a plain ball. Rope ball is a good to chew on.Generally, great set. My senior dog and puppy like this set. I have two beagles.I have a 6 month old Labrador x Doberman, and I will personally only use 2 of the 5 in this pack. I will use the blue and orange balls, as they are a considerable size. They're roughly the size of a tennis ball which is ideal for my dog.There are 2 balls (RED and GREEN) which are simply concerningly small. They're choking hazard small, especially the red one. Both the green and red balls are smaller than the palm of my hand.Then there's a rope ball, which isn't a personal favorite of mine. I don't think it's durable for dogs, they could maybe get a few uses out of it but that's all. It's also just very small.These toys have been working great for my shichon puppy who is about 4lbs now. The red ball is a little smaller then the others which could make it a choking hazard especially for a big dog. The other balls are a little large for a 4lbs puppy but he still manages to get a hold of them in his mouth because of the different textures.