Material: plastic Size: 2.5*2.5cm / 0.98"*0.98" Color: as shown 1. Convenient and quick: Simply place the effervescent tablet into the coffee machine to easily remove limescale, keeping your coffee machine in good working condition. 2. Easy limescale removal: The effervescent tablet effectively dissolves limescale, thoroughly cleaning the inside of the coffee machine for a purer coffee taste. 3. Efficient cleaning: The effervescent tablet quickly dissolves, fast cleaning the coffee machine's pipes and water tank to maintain efficient operation. 4. Long-lasting use of the coffee machine: Regular use of effervescent tablets to clean the coffee machine can extend its lifespan, saving on repair costs. 5. Multiple uses: In addition to cleaning the coffee machine, effervescent tablets can also be used to clean teapots, kettles, and other household appliances, making them convenient and practical. Package includes: 1*Coffee machine descaling effervescent 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.