Feature●0.2mL Thin Wall PCR Strip Tubes & Dome Caps - 8 Strip●Available in specific colors (blue, green, red, yellow)●Convenient combo pack of tubes and caps -- no need to purchase separately●Deep seating caps provide a reliable, consistent seal to eliminate evaporation●Thin walls allow for efficient heat transfer and superior yieldsDescription Certified RNase, DNase and Pyrogen free. Ultra-thin and uniform wall thickness allows for precise thermal transfer along the entire surface of the tube. Full-length, even insertion caps guarantee a perfect fit to ensure there is no sample evaporation during thermal cycling.