Material: Borosilicate glass, Black Screw plastic. Made of high pressure resistant, hygienic and safe. - Transparent main body, thickened and flat bottom, can stand firmly on the table. - Comes with a lid for a good seal and easy transportation. - Easily refill liquids using the smooth neck of the bottle without hurting your hands. - Ideal for storing mixtures, essential oils and other samples to suit your needs.