Bonio is a brand of dog biscuit sold in the United Kingdom.[1] It was originally sold by Spratts Patent Ltd. of London[2] some 75 years ago,[3] but through various acquisitions, it is now marketed by Nestlé Purina PetCare. Bonio is produced in Aintree, Liverpool.Since 1932, Bonio biscuits have been traditionally oven-baked.[3] [Wikipedia]