Instincts by SmartyKat Love Mates Feathery Cat Toys Set of 2 releases your cats inner instincts with feathers and multi-textured plush bodies, mimicking the feel of prey they would find in the wild. Containing HappyNip Silvervine and Catnip, a natural extra-exciting to drive cats wild, SmartyKat Love Mates™ will soon become your cats favorite prey. Toys with HappyNip Silvervine and Catnip encourage cats to frolic, romp, and play.