Material: plastic. Single weight: about 450 grams It can be used to pave roads in multiple places, with unique shapes and strong creativity, giving you a unique path Multiple styles, multiple choices, every method is in your hands Instructions for use:1. Level the paved road surface.2. Select the placement location and drop the mold.3. Pour the mixed concrete into the mold.4. Smooth the surface of the mold and compress the concrete into the mold.5. Wait for the concrete to solidify, but if the concrete mold is not completely dry, separate the concrete mold from the concrete.If you want to color the pavement, you can mix concrete paint and cement in a ratio of 1:25 and follow the method above.