【SAFE & DURABLE】Made of natural rubber which is eco-friendly,safe for your dogs to chew and bite. This cactus ball dog chew toy designed of bite resistant TPR material and tearing resistant cotton rope,won't be broken easily.【INNOVATIVE DESIGN】Originally designed zigzag-shaped molar protrusions in different sizes and molar strengths are arranged irregularly at 360°,when pets bite the product, the sharp teeth will enter the curved cleaning tank in the molar channel, be able to clean your dog's teeth and dental calculus.After untied the rope, you can put snacks in the cactus,which will attract dog to explore and dig it out actively...【BEST GIFT FOR DOGS】Healthy play is important for dog's physical and mental development, brain stimulating, emotions and behavior. Our cactus ball chew toy is not only durable for chewing, It helps solve pet chewing, separation anxiety, tooth care, boredom, weight control, training, digging, barking etc! This is a best gift for your dogs.【DESIGNED FOR MEDIUM/LARGE DOGS】 The size of cactus ball is 5.2"x3.2", special designed for 20-50 LBS medium and large breed dogs. (DO NOT USE ON DOG OVER 50 LBS,the large dogs may be able to choke on small parts. 【WORRY FREE WARRANTY】 Seller Geekipro provide a 30-days Money-Back gurantee or Replacement, includes friendly customer service, please feel free to contact us if you have any questions,we will make you and your dogs happy.