Coconut Ball Toys of The PetChew are 100% natural, made from the husk of a coconut, which is the fibrous outer layer that surrounds the coconut shell. This material is known for its toughness and durability, making it an excellent choice for a pet toy that can withstand a lot of chewing and playing. We are proud to be one of the leading manufacturers of natural pet products in Vietnam. We use locally available raw materials such as: Coffee wood, Loofah fiber, Hemp rope, Cotton rope, Coconut rope...Up to now, our products have been exported to many countries around the world. If you would like to have any further information, please let us know. Thank yo for reaching out to us. Best Regards, The PetChew!