Material: 100% PP. BPA free. Ideal for travel and outdoor sports. Small and light: The diameter is 9cm. Its weight is only 50 g. You can put it in your pocket or purse. Easy to fill: Open the transparent top panel and access 7 compartments at once. You can use it daily for a week. Fun to use: press the white button and the inner compartments rotate clockwise. There is a hatch door on the side to access each segment individually and spill pills.