Replace every 8 weeks. Need to rinse.
Before First Use: Thoroughly rinse in clean water to ensure removal of any fine sea particles.
To Clean: Periodically freshen and revitalize your sponge in a solution of baking soda and water.
To avoid danger or suffocation, keep this plastic bag away from babies and children. Do not use this bag in cribs, beds, carriages or playpens. This bag is not a toy.