1Easy Installation: The acrylic boards can be easily stuck on the wall using the adhesive backing and marked with accuracy for a hassle free installation process. 2Secure Attachment: The acrylic boards securely attach to the wall, ensuring that they stay in place and provide accurate measurements. 3Clear Scale: The scale on the acrylic boards is clear and easy to read, allowing for accurate measurements. Measurable height is 70180cm/2.35.9ft. 4Protective Film: The acrylic boards come with a protective film that can be peeled off after installation, keeping them clean and free from scratches or damage. 5Versatile Use: The acrylic boards can be used on various wall surfaces and are suitable for both residential and commercial applications. 4 x Height Ruler 1 x Measuring Tape