This frisbee is the best frisbee we've come across so far....my frisbee obsessed border collie mix loves it, and while he has managed to put small holes in it out of regular wear and tear, it's a fantastic product. It flies great - he catches it almost everytime...and when he doesn't catch it, it's generally my fault! Advice: certain toys should not be left with dogs all the time, and used only when going to the park, lake, etc. The Zisc is that kind of toy, and will last longer if only used as an outdoor toy, not as a chew toy!! we'll keep buying this product!!