Provide superior ultraviolet light protection; our stonylab glass dropper bottle is ideal for storing light-sensitive chemical solutions, reagents, and laboratory liquids The dropper bottle comes with an inner plug, helping ensure controlled flow and precise dispensing of laboratory solutions, chemical samples, and other liquids Included labels help clearly identify and organize different laboratory solutions and chemical samples The attached pipette is constructed of glass, and the bulbs are rubber; ribbed screw cap increases friction 1-year limited manufacturer warranty Our Labware refers to a range of equipment and containers designed for use in laboratory environments. These items are typically crafted from materials like glass, plastic, or metal to ensure durability and chemical resistance. Common examples include beakers, test tubes, flasks, and petri dishes, which are used for measuring, mixing, or storing in scientific, educational, or industrial settings.