<p>A totally unique product for use on tea and coffee cups, teapots, flasks, and more!Removes ingrained stains that dishwashers leave behind. Effortless cleaning. There's no scrubbing needed.Environmentally friendly and safe. Add 1 tablespoon (15-21g) of product to flasks or pots or ½ tablespoon per cup. Place stained cups, saucers etc. in the sink or on the draining board as the reaction may be vigorous and water may overflow. Fill with hot (near boiling) water and leave to cool 1 to 2 hours. Rinse well with clean water after use. For heavily stained items, repeat if necessary. Use only on dishwasher-safe items. For resin-lined/plastic-coated flasks refer to manufacturer's care instructions before use. Lifespan: 4 Years</p> <p>Storage at room temperature</p> <p>United Kingdom</p>