Natural sea-grass sponges are a soft, absorbent and affordable bathing accessory. This one is 5 inches diameter.Cosmetic and bathing sponges are The Sponge Company's specialty. Skillful technicians perform specialized techniques in cleaning, cutting, trimming and, most importantly, sorting out the highest quality of sponges for the cosmetics trade. The reason is plain and simple: Cosmetic and bathing sponges - unlike painting and artistic sponges - are being used to care for the human body and, therefore, have to be the softest, the cleanest and of the highest possible quality.