VEVOR Steel Landscape Edging, 10-pack Steel Garden Edging Borders, 39.6" L x 2" H Strips, Hammer-in Edging Border, Bendable Metal Landscape Edging for Yard, Garden, 2.5" Spike Height, Rustic Brown

Hello, I have a couple of questions about this - 1 is whether “rustic brown” means it’s rusted Corten steel or is it painted brown? And the other question is whether the edge is sharp - I have kids and don’t want them cutting their feet on the edge of the lawn…