Size: 11cmx3cmx7cm / 4.29" Specifications: 12pcs/box 1. Efficient descaling: specially designed to remove scale and calcium deposits, quickly dissolves in water, and powerfully cleans water heaters, coffee machines, kettles and other home appliances. 2. Safe and environmentally friendly: non-corrosive formula is used, which does not damage the inner wall of the equipment, is friendly to the human body and the environment, and has no irritating odor. 3. Convenient to use: each piece is individually packaged, one piece at a time, worry-free and labor-saving, suitable for various brands and models of home appliances. 4. Widely applicable: compatible with coffee machines, humidifiers, electric kettles, steam irons and other home appliances, one box for cleaning. 5. Economical: cost-effective alternative to original cleaning agents, reducing maintenance frequency and extending the service life of home appliances. Package includes: 1 box