If you want a GUBI product upholstered in your own fabric (COM) or leather (COL), the order follows its own process, with a possible suitability test before production. The full process, with fees, lead times and shipping rules, is in Customer's Own Material or Leather (COM/COL) — Professional customer, and the amount of material per product is in Fabric and leather consumption per product (COM/COL) — Professional customer.
To order swatches or samples of GUBI materials, see Ordering material and finish samples — Professional customer.