How durable is HI.Q.?

Despite what many manufacturers claim, no dog toy is indestructible. HI.Q. was developed to be a challenging and entertaining puzzle toy and is made of non-toxic materials similar to other dog toys in the market. The El is ideal for dogs weighing 15 lbs. or more. Link several together and HI.Q. will keep most any dog challenged for a long time! HI.Q. is not recommend for heavy or destructive chewers.