Made of polypropylene. Thin-walled and designed for rapid thermal transfer. The skirt around the plate provides a bar coding and labeling area. They are precision-molded to ensure well-to-well and plate-to-plate uniformity. Quite superior to polycarbontate plates, they are impermeable to water vapor. All sealing methods can be used for oil-free operation. Each well has a volume of 100µl. An alphanumeric grid helps sample identification. To facilitate orientation, the top left corner of the plate is cut away on some. Easy to seal since no cylindrical walls extend above the plate.