This AxyMat™ sealing mat is for 96-well PCR microplates with round wells. It is reusable and versatile. It minimizes evaporation in a wide range of temperatures in PCR and storage applications. Each "well-sealer," once punctured, will reseal itself, ensuring an airtight seal to the well. Compatible with all Axygen 96-well PCR plates. Non-sterile. Corning Axygen® #: AM-96-PCR-RD.