Honeycomb sea sponge hippospongia communis honeycomb sea sponges are the finest quality of natural sponge available they are silky soft highly absorbent and create a luxurious lather this is because they are gathered from the mediterranean where the cooler sea temperature and greater depths create very strong dense sponges sustainably harvested in mediterranean sea and hand processed in uk sizes available 3 17 for bath use 5 7 for baby use 3 4 for cosmetic use 2 3 colou