These KONG Refillable Catnip Tubes are the perfect way to extend kitty's playtime fun! With 3 packs of 9g each, KONG Premium North American Catnip is an all-natural addition that can be sprinkled on any cat toy or scratcher for ongoing fun. This refillable catnip is grown in North America and is ideal for pairing with KONG Refillable Cat Toys. Teach appropriate scratching habits by adding a few dashes to any cat scratcher for a rewarding session!