Johnnie Dogwalker Water Bottle Crackler Toy J with replaceable water bottle for long lasting fun!! This water bottle crackler toys not only crackle, but they also squeak! You can also replace the water bottle as necessary. Velcro closure at bottom makes it easy to slide old water bottle out and replace with a brand new water bottle. Water Bottle Crackler toys also feature our durable mesh lining for aggressive chewers. Water bottle included. Measures 11 inches.