There is yellowing. It was a gift and has been stored in a drawer. A Mr. Children pick set, triangular design. - Brand: Mr. Children - Model Name: 1992-1995 - Model Name: 1996-2000 - Color: White - Design: Triangle - Features: Pink and blue star marks Thank you for viewing. I don't know much about music, so I'm not sure if these can be used as picks. Personally, I think they are more for decoration or collection purposes.