If you are looking for a physical "proper paper" based on those keywords, you might be encountering terms from different industries that have merged in your search:

The WonderFold W4 Luxe 4-Seater Stroller Wagon Go to product viewer dialog for this item.

If the silhouette is the soul, the fabric is the argument. The LUXE 4 utilizes a proprietary 4-ply Japanese worsted wool blended with 15% cashmere and a microscopic elastane core. On paper, this sounds technical. In the hand, it is revelatory. The textile possesses a dry, papery handfeel that resists pilling, yet it drapes like a liquid. It is water-resistant without membrane treatment (achieved via an ultra-tight weave, not chemicals), and it breathes in a way that Gore-Tex cannot replicate.

If you are looking for a product under this name, it likely embodies these "Luxe" standards: