Grandeur Flooring Wonder 7 Coliseum is a high performance Vinyl Plank flooring product made with SPC - Click construction. It features a total thickness of 7mm and a durable 20mil wear layer, offering long lasting protection. Each plank measures 7" x 60", making it easy to install.. FloorScore approved for healthy, resilient interiors. Category: Vinyl. Brand: Grandeur Flooring. SKU: Grandeurvinyl101.