The Florida Sea Wool sponge comes from USA waters. Softest and pliable, also make great decor items. Can last for years but eventually will break down. Biodegradable. Two sizes. The Yellow Caribbean sponge comes from the Caribbean sea. A firmer sponge, but a favorite. Also make great decor items. Can wash in the machine on gentle, eventually will break down but can last for years. Biodegradable. Two sizes.