Accurate - Measure both powders and liquids precisely. Great variety of sizes and Six colors. Simple - Stackable and fit very well in drawers and kitchen. Durable - Well made, all made of sturdy plastic and can go right in the dishwasher. Effective - Thick plastic with the measurement sizes actually carved out of the plastic rather than just printed on. 1 Cup - 250 ml. 1/2 Cup - 125 ml. 1/3 Cup - 85 ml. 1/4 Cup - 60 ml. 1 TBSP - 15 ml. 1/2 TBSP - 7.5 ml.