SAFE MATERIAL- these liquid droppers are made of food grade silicone and plastic. Safe to use with food and liquid. Package includes 8 Pack Safety liquid droppers in assorted color(blue, light blue, pink, red, yellow, green, orange, purple) and 1 pack cleaning brush. ETCHED MEASUREMENTS- each liquid dropper is marked from 1ml to 5ml, measurements are etched in plastic and will never be washed off. Total length including silicone squeeze top is 4.72 inch (12cm), width of plastic pipette is approx. 0.5 inch (1.3cm). EASY TO APART AND WASH- there is no glue to connect the plastic pipette and the silicone tip. Easy to apart them and wash the droppers with the included nylon cleaning brush. This dropper is dishwasher proof and can be cleaned with hot soapy water. WIDE APPLICATION- These 10 X 5 ml plastic droppers can be applied with candy and gummy making molds and make colorful yummy candies easily. Can also be used in science experiments, eyedroppers for paint and glue, food decoration, essential oils, arts and crafts projects.