Description: As the chlorine tablet is long lasting, stabilized, and soluble, it can clarify water, control algae, as well as prevent corrosion, scale, and stains effectively. You can easily get cleaning supply that can be used to clean the air, water, surfaces of objects and other environments to protect the health of your family and make your home safer. Made of powder, it is safe to use. The length of the bottle is 9cm, and the width is 5cm. It is perfectly suitable for swimming pool, home, household, dorm, etc. Item Name: Effervescent Tablet Material: Powder Shelf Life: 1 Year Features: Quick Dissolving, Multipurpose, Efficient Size Details: 9cm x 5cm/3.54" x 1.97" (Approx. Notes: The quantity is about 100pcs, due to manual calculation, the quantity might has 1-5pcs more or less, hope you can understand, thank you. Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Package Includes: 1 Bottle of Effervescent Tablet(Total 100Pcs)