Features 11. In the hot summer, enjoy the transparent swimming pool or hot tub. 22. Our swimming pool chlorine tablets effectively prevent the retention of water, algae, and other organisms, remove and control algae in the water, and are convenient to use. 33. Pure water, no more dirty pool, these chlorine tablets create a safer, cleaner, and more enjoyable swimming experience. 44. To avoid chlorine loss under direct sunlight, these products help protect your water from the sun's ultraviolet rays, prevent harmful sunlight, and stably reduce the number of chemicals you need to add. 55. Protects your pool water so you can enjoy swimming in clean and clear water all season long. Specifications Material: PE Size 8.9*7.2cm Gross weight: 330g Package List 300*Chlorine Tablets Note: 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. Sold by-YJL official store