Inside, there is no foam stuffing: the donut contains a durable rubber ring, which is particularly appealing for dogs that tend to quickly destroy their plush toys. It also features a squeaker, which requires a fairly strong squeeze to produce its "squeak."
A delicious and fun toy, ideal for dogs that love plush toys but tend to destroy them a bit too quickly. Like any dog toy, however, it is not indestructible and should be removed if damaged.
