Clear glass allows you to fully enjoy the beauty of quicksand. Carefully screened colorful sand and levels clearly demarcated, flow out excellent 3D effect patterns. Every time you turn the dynamic sand picture frame, you get a different image. Looking at the falling sand and the changing different landscape scenes, you will feel particularly calm and relaxed. Continuous flow of sand painting, can alleviate pressure and relieve eye fatigue, suitable for office workers, students and people who work long hours in front of the computer. The Moving Sands Picture is a wonderful ornament to decorate your home or office. Great gift for your friends or families. Specification: Material: Glass+Plastic Size Chart: Size: 7inch: 18x19x4cm/7.09x7.48x1.57inch 10inch: 25x27x4.5cm/9.84x10.63x1.77inch Package Includes: 1 Piece Dynamic Sand Picture