SAFE MATERIAL - These liquid droppers are made of food-grade silicone and plastic. Safe for use with food and liquids. Package includes 8 safety liquid droppers in assorted colors (blue, light blue, pink, red, yellow, green, orange, purple) and 1 cleaning brush. ETCHED MEASUREMENTS - Each liquid dropper is marked from 1ml to 5ml. Measurements are etched into the plastic and will not wash off. Total length, including the silicone squeeze top, is 4.72 inches (12 cm). Width of the plastic pipette is approximately 0.5 inch (1.3 cm). EASY TO DISASSEMBLE AND WASH - There is no glue connecting the plastic pipette and the silicone tip. Easy to separate and clean with the included nylon cleaning brush. Dishwasher safe and can be cleaned with hot, soapy water. WIDE APPLICATION - These 5 ml plastic droppers can be used with candy and gummy molds to make colorful candies easily. Suitable for science experiments, as eyedroppers for paint and glue, food decoration, essential oils, and arts and crafts projects.