These colourful toys are made from a mixture of durable and non-toxic synthetic materials. Perfect for interactive fun, allowing your dog and you an enjoyable shared play experience. Great for fun games on land and in the water! The exercise helps to keep them fit, perfect for interactive play and a fun toy for dogs.·     Materials: Rubber: 50% natural rubber, 50% other fillers·     Non-toxic·     Ring shape·     Large size