The unit of measurement in the scene is millimeters.
Render – Corona 9 (all materials – Legacy).

In file:
– mat model (500 mm x 700 mm x 10 mm);
– model of slippers (296 mm x 265 mm x 76 mm).

Brand Zara Home:
https://www.zarahome.com/es/en/floral-jacquard-bath-mat-l47538015?categoryId1020116647&colorId933&cttrue 
https://www.zarahome.com/es/en/open-terry-slippers-l11024100?categoryId1020116785&colorId035&cttrue