EASY TO READ: Tube is marked with inches and centimeters with large scale and clear calibration, which can accurately measure the rainfall. In addition, its a great garden decor and wonderful gifts for kids who like natural observation. DIMENSIONS: 3.7 x 8 in(LxH). Measures up to 5 inches (12.7 centimeters) of precipitation. RELIABLE MATERIAL: Made of Resin and Plastic material, glass-free construction. Safe to use around kids, pets and wildlife, can resist the erosion of rainwater and be applied repeatedly. MORE USAGES: rainfall test glass tube is not only suitable for the measurement of rainfall, you can also apply it in the measurement of lawn and garden watering. Prevents over-watering and under-watering. Saves water and protects valuable landscape plants. NO ASSEMBLY REQUIRED: You can place this rain gauge wherever you need it. Simply pour the water out after each precipitation event.