They are made of lightweight yet sturdy plastic, ensuring a stable and durable design. They come in colors like gold, blue, yellow, and green and samll and large in sizes. They feature a design inspired by a Christmas tree, topped with a star, recreating a classic holiday element. When lit, they emit a translucent glow, building a warm Christmas atmosphere. For power, the small decoration uses 3 built-in AG13 button batteries, while the large one relies on 2 AA batteries. Obasyhig Mini Christmas Tree Shaped Illuminated Crystal Lamp - Small Size in Yellow