The KONG Holiday Crackles Christmas Tree's crinkling sound sparks hunting instincts, calling kitties to stalk, pounce and bat for lots of healthy fun. The elastic cord tethers crackle ball to tree for dynamic tug-and-release capture play. Catnip extends the fun. Features: *Crackly sounds spark hunting instincts *Crinkle ball tethered with elastic for tug-and-release action *KONG North American Premium Catnip extends the fun Dimensions: 8.0"H x 3.8"W x 2.5"D