Description: Maintain Cleanliness: The spherical structure of the scum absorber for spa hot tubs increases the contact area with water and floats stably on the surface, effectively absorbing scum, grease, and other residues. This keeps your water clean and clear for a pleasant hot tubs experienceWashable and Flexible: The hot tubs pool scum absorber ball features a three dimensional honeycomb structure that helps you quickly absorb dirt and grease in the hot tubs. It is elastic and washable; it can quickly recover its original shape after being squeezed. Easy to clean by simply rinsing with water, it can be reused after drying in a ventilated placeWide Applications: This hot tubs descaling ball has better oil absorption ability making it suitable for kitchens, swimming pools, and household use. It is ideal for various occasions like hot tubs, swimming pools, bathtubs, and spa centers. It can also be used as a bath toy to add fun to your bathing experienceEasy to Use: The pool descaling ball is very easy to use - just put it into the hot tubs or swimming pool where it will float on the surface of the water automatically absorbing dirt and grease saving you cleaning costs and time while allowing you to enjoy swimming or bathingIdeal Gift for Hot Tubs Lovers: For those who love their hot tubs this creative gift of a descaler is ideal! After enjoying their soak they simply need to put this sponge ball into their water where it will float quietly cleaning their hot tubs over several hours - an better gift idea for friends who love swimming Specification: Material: Fiber Size Chart: Single diameter: 3 inches Package Includes: 1x Pool Scum Absorber Ball Note: Please allow slightly errors 1-2cm differences due to manual measurement.