Welcome to our store SAFE MATERIAL----The measuring cup set is made of food grade plastic, they are BPA free. The quality is sturdy which thickness is about 3mm. The clear plastic beakers that resist corrosion EASY TO USE----Non-slip handle design gives your hands a good grip when pouring. Bright blue embossed markings on clear containers allow you to view, add, measure and adjust liquids, and won't rub off. We recommend that you use a cloth to clean it to prevent the blue mark from fading. EASY TO STORAGE----3 Pack Large s Measuring Cups of 1000 ml / 4 cups, medium 500 ml / 2 cups and small 250 ml / 1 cup, with metric milliliters / liters and standard British cup measurements for easy reading. The 3-pack set allows for a nestable and stackable solution for easy storage. ERGONOMIC HANDLE DESIGN----Non-slip handle design gives your hands a good grip when you pour. Suitable for both right-handers and left-handers. This design also allows for a nestable and stackable solution for easy storage (impossible with rubber grips). WIDELY USED----Suitable for measuring water, milk, flour , sugar, cooking oil, cocoa or other powders and liquids in the kitchen. It is a good tool for measuring cocktails, brandy and various liquids. It can also be used in laboratories for chemical experiments, teaching, chemistry, research or life science applications.