Disinfected, washed with water, and dried. I washed them thoroughly, but as I am a non-professional, please refrain from purchasing if you are overly concerned. (⁎ ᴗ͈ˬᴗ͈⁎) How about using them for crafts? (*^^*) White: 42 pieces Blue: 23 pieces Orange: 6 pieces Total: 71 pieces They will be shipped with measures to prevent water damage. Please refrain from purchasing if you are overly concerned, as they have been stored at home. (⁎ ᴗ͈ˬᴗ͈⁎) Thank you for your understanding. Science project Crafts Arts and crafts Play Caps Lids