Features: Keep swimming pool clean: Enjoy crystal clear pool in this coming hot summer. Function: This pool cleaning tablets effectively guard against bacteria, algae and other organisms. Dosing service:The dosing service can be a tablet organizer and put it into the water. Good experience: These swimming pool water sanitizers create a safer, cleaner, and more enjoyable swimming experience. Suitable for: Adaptable to your pool or hot tub. Specification: Material: Plastic+Paper Optional capacity: 50g/100g 50g set size: Pool Cleaning Tablets: approx.6.4x4cm/2.51x1.57in Dosing Service: approx.12.5x12.3cm/4.92x4.84in Packaging box size: approx.12.5x12.7x14.5cm/4.92x5.00x5.70in 100g set size: Pool Cleaning Tablets: approx.9x4.7cm/3.54x1.85in Dosing Service: approx.12.5x12.3cm/4.92x4.84in Packaging box size: approx.12.5x12.7x14.5cm//4.92x5.00x5.70in Color: As the picture shown Quantity: 2Pcs Note: Please allow 0-1cm error due to manual measurement. pls make sure you do not mind before you bid. Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you! Package Contents: 1xDosing Service 1xPool Cleaning Tablets (other accessories demo in the picture is not included.)