Dried Aspergillus niger fermentation extract

Pet and Kid Safe even if ingested

low-odor treats make the perfect snack

Once Advantage XD is applied

Helps prevent future tangles with regular use

KONG Signature Balls 4-Pk Brand_Radio Systems Corporation Dried Aspergillus niger fermentation extractKONG Signature Ball 4 Pack delivers four different flavors of fetch, each with a unique texture for high flying variety to keep pups playing. These super sturdy, ultra bouncy balls offer long lasting action, satisfying dogs chasing and retrieving instincts with tons of healthy exercise. Some squeak, some do not. Special felt on KONG Signature Sport Ball is gentler on teeth and gums than regular tennis balls for safer play. 4 different balls for