The package includes - 12 pcs graduated liquid bottle of 8.5 oz / 250 ml, measuring 7.5 " / 19 cm high and 1.96" / 5 cm in diameter. High quality - Made of superior and safety plastic PET, durable for long -term use, transparent perspectives facilitating the rapid distinction of specific liquids. Good waterproofing-The twisted cap is more tightening than the usual caps, if you use water or liquid, you may need to tighten the cap with an additional effort. Twist caps - each bottle has 2 caps - black and white, torsion to open and turn behind to close. The rotary cap that can turn, it can control the fluid flow. Application - Widely used for arts and crafts (glue, painting, coloring, ink) or sauces (ketchup, mustard, Mayo, oil, honey, etc.). Ideal for storing and distributing many types of liquids, including oils, solvents and food.