Each Plink contains lemon scented liquid safely encased by a patented hardening process. It breaks open to deodorize the disposal and dissolve fatty deposits which cultivate unpleasant odors. It freshens your whole kitchen too. It was invented by a plumber to work in seconds. It is biodegradable and cannot harm pipes or your disposal. For best results Plink your sink at least twice each week. Contains 10 treatments per package.