Suma Shine Portion Pak is an oxygen-based, powdered presoak and de-stainer for plastic cups, plates, flatware, utensils, glass coffee pots, coffee urns and tea urns. This alkaline detergent is specially formulated for removal of coffee, tea, cocoa and milk stains. It is effective in removing coffee and tea stains because of active oxygen and removing cocoa and milk stains by alkali source. Suma Shine prevents scaling in hard water conditions when used as directed. This white powder has no fragrance added.