Biotage high precision microwave vials are designed and tested to withstand pressures beyond 30 bar in a wide range of conditions. Manufactured from contaminant free microwave-safe glass. Each Biotage microwave vial has been designed for safe and efficient heating within its specified volume range. Reseal™ design means the septum reseals after it has been penetrated for repeated additions of reagents or in-situ sampling.This kit includes 100 each of vials, magnetic stir bars, aluminum caps and septa.