These ChewRoots Natural Wood Chew Toys are untreated, naturally-sourced tree roots that won\'t splinter. The tree roots are carefully harvested by hand from tree root systems in protected areas. There is no damage to the tree and the tuber resprouts, making them eco-sustainable. The ChewRoots Natural Wood Chew Toys are suitable for all dogs and puppies 3+ months - just be sure to pick a chew large enough for your dog to prevent a choking hazard. Other sizes available. Details 100% Untreated & Will Not Splinter Extremely Durable & Long-Lasting Sustainably-Sourced & Plant-Based  Promotes Natural Cleaning of Teeth 300g - Suitable for medium dogs, weighing 11-25 kg Ingredients: 100% Tree Root