Description: Material: pumice+PP Size: 10 * 7 * 4.5cm Color: Black/White Feature: 1. Easy to use: No need for complex operations. 2. Equipment protection: Reduce corrosion and damage to the pool filtration system and inner walls. 3. Widely applicable: Suitable for swimming pools of various materials and types. 4. Save time: Reduce cleaning frequency and improve maintenance efficiency. 5. Affordable: High cost-effectiveness, suitable for daily use in both home and commercial swimming pools. Attention: 1.Due to manual measurement, there may be a 1-3mm error in product dimensions. 2.The color of the product may have errors due to objective reasons, and the actual product is the main focus. The product includes: 1 * Pool cleaning brush