Kong TraxxKONG has taken the tough, durable rubber used in its Extreme KONG toys and molded it into a fun, new shape new KONG Traxx toys, sturdy and strong monster truck style toys ideal for aggressive chewers of all sizes. And just like the original KONG and Extreme KONG, theres plenty of room inside for treats! The round toy looks just like a monster truck tire done in miniature, complete with molded KONG branding on the sides and a unique checkerboard tread