KONG Wild Knots are soft and cuddly on the outside, but durable and sturdy on the inside. Wild Knots are guaranteed to be a hit with cats and their owners. Cats love their knotted skeleton, and the reinforced plush body provides extra durability. KONG Wild Knots have less stuffing for less mess and squeak to encourage play. - The knotted rope inside, which forms the skeleton, satisfies the cat's natural instinct - Minimal stuffing - Soft and durable - Available in two sizes: XS, S/M and M/L - Available in three colours: dark brown, grey and light brown - Available in three colours: dark brown, grey and light brown.