KONG CrunchAir Ball It's all about the crunch! Kong Crunch Air creates a crunching sensation that dogs love while satisfying their natural instincts to nip and chase. Kong Crunch Air offers an ideal bounce that is excellent for interactive play. It is also resistant, which guarantees longer sessions of searching, chasing and nibbling. Added to this is Kong's tennis material, uniquely designed to be gentler on teeth and gums, ensuring your dog is rewarded time and time again. Characteristics Great for games of seek and collect Unique crackling sound that satisfies natural instincts Ideal bounce that encourages continuous interactive play KONG tennis material designed to be gentler on teeth Sturdy toy for non-stop playtime fun