Perfect for household water management, this water level sticker helps users monitor water levels in storage tanks, fish tanks, or pools. Its intuitive design eliminates the need for complex tools, making it a practical solution for maintaining optimal water levels and preventing overflows or shortages. Features -Color:Transparent -Material:Acrylic -Size:25.00X6.00X0.10cm/9.82X2.36X0.04in -Safety assurance: keep your water levels in check to prevent overflows or shortages, promoting and efficient water system at home -Precision markings: the water scale sticker offers detailed and accurate level indicators, helping you monitor and manage your water resources with ease -Lasting: this liquid level indicator made of acrylic materials that resist wear and tear, allowing consistent performance over extended periods -Nighttime usability: reflective design allows visibility in lowlight conditions, allowing for convenient water level monitoring at any time -Simple setup: selfadhesive backing allows for quick and secure installation on various tank surfaces without additional tools Package list: 4 level rulers