Puri Patch 99% Puff Antibacterial Sheets, pack of 2. Purchased at Olive Young in Korea. These are stickers that you apply to the place where you put your cushion foundation puff. They claim to provide 99% antibacterial protection for your puff^^ - Brand: purik+ - Product Name: Puri Patch - Features: 99% Antibacterial - Contents: Pack of 2