ZOJIRUSHI STAINLESS STEEL CLEANER
For removing tea/coffee stains and sanitizing stainless steel bottles (including nonstick coated products) and stoppers, as well as glass and plastic bottles.
Buying Link : https://www.zojimall.com/ (https://www.zojimall.com/zojirushi-spare-parts-accessories/zojirushi-stainless-steel-bottle-cleaner)