The water gauge level sticker is made of good materials, not easy to deform and break, durable, support long time using. Used to mark water levels in and lakes, easy to use, and with reflective design, can be seen even at night. Sizes and numeral are in the surface for clarity of reading, stable and wear-resistant. Features -Color:Red -Material:Aluminum plate -Size:50.00X8.00X0.20cm/19.65X3.14X0.08in - Compact size with light weight, easy to take and use, can better fit your demands even when at night due to the reflective design. - Made of , the water level sticker gauge is sturdy and , durable for long time using. - Clarity and easier reading sizes and numerals are into the surface, can let you have accurate data. - You can determine the height before water or processing and measure the water depth quickly and accurately. - Good workmanship, not easy to fade, deform or break, self-adhesive design, easy to stick, save time and efforts. Package list: 2 Level Gauges