Heights range from about 2 inches up to 9 inches, with one border style listed at 3.25 inches.
Yes. Many listings describe flexible construction that bends or angles to form gentle curves or straight runs.
Listings often note resistance to scratches, stains, sun exposure, and everyday outdoor wear; some products are described as built to withstand sun and rain.
Some items require no assembly or tools; others need simple adult assembly without tools. A few products recommend pre-digging or using basic tools (for example, a rubber mallet) when soil is hard.
Some borders are described as mower- and trimmer-friendly and help keep grass and soil contained, which can simplify routine mowing, edging, and trimming.