This sponge duo is designed with ecofoam technology the first beauty sponges made from 71 renewable plant based materials sugar cane in two colours and two densities with a unique patent pending shape for customisable makeup application set includes teal sponge firmer larger sponge use dry for extra coverage to hide imperfections and achieve a smooth polished finish lime green sponge softer smaller sponge use wet for a light even coverage to achieve a sheer fresh glow both s