Material,made of high quality environmental protection PP plastic, healthy and safe. Durable, surface polished fine, smooth edge, no thorns, not easy to break. Dimensions, (approx) 5.6 inch. (142 mm) wide; It is 3.6 inch (91 mm) tall. Two compartments are designed to hold large amounts of egg whites and yolks. Easy to use, for eggs of all sizes, simply pour the egg liquid into the separator, shake it gently, and the white will flow out, leaving the yolk in the separator. This is a very useful tool. Portable design, very easy to dump, fast separation. Four holes around, in line with the egg white density, as long as gently shaking the egg can be separated, a perfect separation process. It is widely used in baking cakes, meringues, homemade mayonnaise, cookies, egg white omelets, etc. This is a very effective and ideal kitchen gadget.