There are two styles to these morbid pieces of soap: the Tombstone Hand Soap and Tombstone Guest Soap. I guess the latter is for unwanted guests, who you want to scare out of your house.
Just imagine if these tombstone soaps came in a fresh scent of decay.
Implications - In a consumer culture inundated with products and companies with few discernible differences, a surefire way for a corporation or brand to stand out is by creating a novelty product. Not only do these products appeal to a consumer's sense of humor, they make them feel distinct and special.