DescriptionThis is a set of asbestos net designed for experiments, which help to protect flask and shorten heating time. It is a great experiment accessory for school, home, laboratory. The item includes 5pcs that can meet your different needs.Features-Color: White -Material: Metal & Asbestos - High tensile strength and high flexibility.- It is simple in design, but very practical in use, which brings great convenience to you. - Essential experimental supply for junior and senior high school chemistry experiments.- Strong workmanship and easy to use.- Asbestos mesh is used for burning and cooking liquids on a tripod over an alcohol lamp.