Features:1. Soft material: The swimming pool filter sponge ball is made of sponge material, which is soft to the touch and safe to use. The surface has been specially treated, which can effectively treat oil, dust or other dirt and make your swimming pool clean.2. Wide application: The washable oil-absorbing scum sponge ball is widely used in swimming pools, bathtubs, hot springs and other places, helping to deal with small dirt that is difficult to remove by hand, such as oil, pipelines, etc.3. Elastic and reusable: The scum elimination balls are elastic and reusable. Pour out the water in the sponge balls after cleaning. Due to their elasticity, they can immediately return to their original shape, or they can be used multiple times to keep4. Safety: easy to clean, strong adsorption capacity, good elasticity, durable, long service life, not falling off, suitable for allergy sufferers5. Package content: 8 reusable scum sponge balls with a diameter of 60mm, which can clean your swimming tools and meet your daily use and replacement requirements.Notice:Actual color may be slightly different from the image due to different monitor and light effectPlease allow 1-3cm deviation due to manual measurementMaterial: SpongeSize: diameter 60mm