Pure soy wax and essential-oil infused fragrance sticks, which insert into the Nellie's Dryer Balls (sold separately) to release a subtle scent as they tumble and warm. Your clothes come out smelling clean and fresh. Simply Fresh-scented Fragrance Sticks (set of 10) in recyclable glass container. Each lasts up to 10 loads. Made in China. These fragrance sticks work with the NEW PVC-Free Nellie's Dryer Balls (sold separately).