All natural sea sponge from the ocean.  A great sustainable source for exfoliation.  Free of chemicals and synthetic ingrediants, makes a sea sponge great for sensitive skin. With proper care, these sponges can last 3-6 months.
 
To help prevent bacteria growth, disinfect your sponge monthly by soaking it in a cup of warm water with several drops of tea tree essential oil and one tablespoon of apple cider vinegar. 
 
Biodegradable, hypoallergenic.