Polypropylene microfuge tubes are essential laboratory consumable for a variety of laboratory protocols. Pekybio polypropylene microfuge tubes are capable of withstanding centrifugation forces up to 25,000 x g and are available in a variety of sizes: 5ml, 1.5ml, 0.5ml, and 2.0ml. Some polypropylene microfuge tubes come with safe lock caps designed to securely seal the tube and protect its contents, which are also known as "safeseal" microcentrifuge tubes due to their secure seal and reliable performance.