The basics This mixed pack of faux artist sponges are used by both artisans and professionals for a variety of faux finishing and craft projects. The benefits Sea Sponges are 100% biodegradable, hypoallergenic, environmentally safe and a renewable natural resource. The uses Contains a mixture of sponge textures and shapes. Great for faux finishing and crafts. The bottom line Sea Sponges have a natural ability to absorb water, dirt and dust. Durable, Sea Sponges are super absorbent and won't stain or absorb odors.