I bought these for a trip, but I have extras so I'm selling them. They have been stored at home. 28 sheets Both have been opened. Please refrain from purchasing if you are sensitive. A sheet that easily sterilizes baby bottles without rinsing. - Contents: 20 sheets - Use: Baby bottle sterilizing sheets - Brand: Kaneson - Feature: No rinsing required - How to use: Easily sterilize baby bottles - Precautions: Check the instructions before use Thank you for looking.