Description plastic and metal material, this timer is and practical for long-lasting use, featuring lovely shape and bright color design, suitable for managing time to study, work, bake, etc. A good gift worthy of giving to your friends, classmates, children, teachers, etc. Features - Color: Red, Green. - Material: Plastic, metal. - Size: About 7.50X6.50X6.50cm/2.95X2.55X2.55inch. - Selected good material, which is not easy to deform or break. - Simple and generous , smooth in lines, the look is attractive. - The sound is clear, there is no harsh sound, and it is easy to hear under low noise conditions. - This timer is easy to operate, old people and children can be used. - It can be used for students to do simulation test time management from a young age. Selected good material, which is not easy to deform or break. Simple and generous , smooth in lines, the look is attractive. The sound is clear, there is no harsh sound, and it is easy to hear under low noise conditions. This timer is easy to operate, old people and children can be used. It can be used for students to do simulation test time management from a young age.