KONG® Ball is guaranteed the world’s greatest bouncing most durable ball for your dog. The puncture-resistant natural rubber ball is completely safe for your pet. Size petite/small ball has holes for hiding treats that make this extra special for your pooch to play with. Medium/Large size ball is solid rubber with no treat holes. Ideal for encouraging exercise and interactive play with you and your pooch. Heavy duty rubber will stand up to even the heaviest of chewers. Kong’s exclusive red natural rubber is puncture-resistant super bouncy and chewer friendly. It is unmatched for resilience durability and bounce. Kong satisfies a dog’s natural need to chew and also cleans teeth and conditions gums. These Kongs are softer than the classic range so are not suitable for aggressive chewers. Kong rubber is non-toxic nonabrasive non-splintering and does not get sharp when chewed. Made in USA.