to use: these no poop dog signs are made of quality aluminum material, odorless and reliable, not easy to fray or bend under normal use, the writing is clear and the edges are smooth, without scratching your hands The graphics withstand any natural and not fade, regardless of the sun or rain, thereby saving you money and precious time searching for a new sign. Double-sided with big, bold, high contrast colors, enough to attract attention to the person walking by with their dogs. Simple and Non-. Practical tool: these no dog poop yard signs can stop dogs pooping from happening to your grass, eye-catching enough and the grass ' t be hurt when you remove the yard sign, just insert them to your yarn and keep your yard clean and tidy Just into the ground and you're done! Apply for garden, yard, park, lawn, attract the attention of others, keep their dog away from your grass, and avoid misconduct. Make the ground soft or wet before inserting the sign. Color: Green Material: Aluminum Package Contents: 4 x No poop dog signs Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.