General description Pack Spa Skimmer Balls are innovative pool cleaning accessories designed to absorb oil and dirt effectively. Made from high-quality sponge material, these reusable foam balls feature a rough bristle surface that enhances their cleaning capabilities. They are easy to use, simply placed on a pool sponge, and their unique buoyancy allows them to move effortlessly across surfaces, cleaning without manual effort. Technical specifications Material: High-quality sponge Absorption capacity: More than 41 times their own weight in dirt Dimensions: Please allow 1-3cm error due to manual measurement Usage Place the sponge balls in the pool or spa to absorb contaminants. After use, squeeze out the oil and rinse the sponge for reuse. They recover their original shape quickly, making them ready for the next cleaning session. Other information These sponges clean naturally through physical absorption, avoiding harsh chemicals. Monitors may display colors differently; please refer