This item is a water level measuring gauge, made of premium material, durable for long time using. You can check the depth of the pond and have faster, more accurate data. Easy to take and store for repeated times using. The clear scale design water level ruler can effectively show the rise and fall of the pool.Features-Color:Assorted Color_x000D_-Material:Film_x000D_-Size:100.00X10.00X0.20cm/39.30X3.93X0.08in_x000D_-Our water level gauge is made of premium material and good workmanship, not easy to tear or fade._x000D_-The water level gauge is self-adhesive, easy for you to stick, and convenient to remove._x000D_-Our water level gauge sticker can be used to mark water levels in pools, ponds and lakes, very multipurpose._x000D_-With reflective effect design, the water level sticker can be clearly seen at night, very practical._x000D_-The clear scale design water level ruler can effectively show the rise and fall of the pool.Packing list: 1 x Water Level Gauge