it feels like soft leather even though its not
If it's not suede, then it's probably microfiber which is extremely easy to care for. A good scrubbing with Dawn dish soap and water using a white Terrycloth will do wonders for a microfiber upholstery
Try using a Mr. Clean Magic Eraser with a LITTLE water on a hidden test spot. If it works use it all over, followed by wiping with a damp (not wet) soft cloth to remove any sponge residue.
Depends what it is made of. I would just use water and a rag.
This product works really well for me on my sofas: https://amzn.to/2R1mEdy
Hope this Helps! Jeremy - https://do-daddy.com