The OXO Good Grips Round POP Container 3-Piece Set is a smart solution for storing items like cotton balls, hair accessories and makeup tools. Push-button lids create an airtight seal with a single press, and the button pops up for easy, one-handed opening. POP Containers aren’t just for bathrooms: Use them any place you want more organization. Each Container is sized to hold household essentials like cereal, flour, sugar, pasta, rice, coffee, nuts, snacks and more. For best results, always use the button to open and close. Do not carry POP Containers by the lid. BPA free. Dishwasher safe.