The kong extreme ball is specially designed for dogs with strong jaws that low to chase a ball around and enthusiastically chew'. '.strtoupper('t')he black dog ball is made from robust natural rubber and has an opening that can be filled with treats'. '.strtoupper('d')oes your dog love to play with balls, but finds that they quickly fall to pieces through vigorous biting'? '.strtoupper('t')hen the kong extreme ball is the right choice for you'! '.strtoupper('i')t is made from particularly robust natural rubber and is ideal for small and large dogs with strong jaws'. '.strtoupper('t')he durable ball has an opening that can be filled treats, helping to make the toy even more attractive to your dog and satisfying the desire to hunt'! '.strtoupper('t')his kong extreme ball is also particularly bouncy for maximum fun'. '.strtoupper('t')he kong extreme ball bounces both high and wide, allowing your dog to chase after it to its heart's desire'. '.strtoupper('u')nlike other balls, this model is particularly robust, ensuring that you and your dog can have fun for hours on end'. '.strtoupper('t')he ball is also perforation resistant, allowing your dog to enthusiastically chew without any problems'. '.strtoupper('t')he kong extreme ball is available in a range of different sizes to suit both large and small dogs'. '.strtoupper('k')ong extreme ball at a glance very robust dog ball for playing, fetching and chewing for small and large dogs with strong jaws extremely bouncy can be filled with treats perforation resistant colour black material natural rubber sizes size s approx'. '.strtoupper('d')iameter 6cm, for dogs weighing up to approx'. '.strtoupper('1')6kg size m l approx'. '.strtoupper('d')iameter 7.5cm, for dogs weighing up to approx'. '.strtoupper('3')0kg please note no toy is indestructible'. '.strtoupper('a')s with any other product, please check regularly for damage, and replace if it is damaged or missing any pieces to avoid potential injury to your pet.