Materials: Sodium percarbonate, citric acid, baking soda, descaling factor Dimensions :7.5cm*10cm*2cm Single piece size: 2.2cm*2.2cm*0.8cm 1. High-efficiency cleaning: The cleaning sheet specially designed for washing machines can thoroughly remove dirt, scale and bacterias from both the inner and outer drums, restoring the original cleaning performance of the washing machine. 2. Eco-f-riendly formula: Utilizing eco-f-riendly and degradable ingredients, it leaves no residue and is non-corrosive, providing gentle protection for clothes and washing machines. It is suitable for use in various brands and models. 3. Easy to use: Just put the cleaning sheet into the washing machine and select the regular washing mode. No additional steps are required, saving time and effort. 4. Long-lasting antibacterials effect: After each use, it can effectively inhibit bacterials growth, keep the washing machine fresh and odorless, and make each wash healthier and more reassuring. 5. High cost performance: One piece is enough to complete a deep cleaning. It is regular maintenance can extend the service life of the washing machine and save repair costs. The package includes: 12tablets