This AxyMat™ slitted silicone sealing mat is for 500µL V-bottom 96-well deep well plates with round wells. Each "well-sealer," once punctured, will reseal itself, ensuring an airtight seal to the well. Reusable and versatile. Minimizes evaporation in a wide range of temperatures in PCR and storage applications. It contains no adhesives or extractables to contaminate the samples. Non-sterile. Corning Axygen® #: AM-500UL-SL.