These are children growth chart ruler templates, made of plastic material, which can serve you a longtime. There are scales in these ruler templates, and you can make a professional children height measuring ruler with these stencils. Features -Color:White -Material:Plastic -Size:30.48X15.00X0.25cm/11.98X5.89X0.10in -Manufactured with plastic material, durable and practical, professional and convenient. -Stencil are reusable, and you can create multiple growth chart rulers as long as you clean up and store it properly. -Easy to use, just place the template where you need to make the ruler and fill the template blank with your favorite colors. -With this template, you can create a professional height measure ruler on the wall, or a movable wooden ruler on the wood. -It can be used as a gift to send to your friends or family members who have children, they will need it. Package list: 7 x Growth Chart Stencils