NWT Bark SuperChewer Rufferfish! March 2023 Super Chewer Themed Box: Coral Ruff! Did You Know? When pufferfish feel threatened, they expand into a rather intimidating spiky ball. NOT as fun as the ones inside some of your dog’s squeaky toys. Made with natural rubber and unique textures. Has a wacky bounce and a squeaker. It’s vanilla scented with non-allergenic oils. Spot clean only. New never used! Made for a large dogs 50+lbs.