We then go to work making sure the seat and backrest look clean and new. For leather products, we heat and re-stretch the leather to smooth out any sagging. We then rub in leather conditioner to make it fresh. For fabric chairs, we check to make sure the cushion is in good order. For the fabric, we have 100s of office chair patterns that our skilled upholsterers use to cut and re-upholster the seat and backrests, we also use special glues that are environmentally friendly.   We remove the backing and wrap the fabric, making it like new. For solid, or stacking chairs, we do a thorough cleaning of the seat and backrest, polishing out scratches and treating the surface with a special non-toxic cleaner. We are often not able to get out deeper scratches or blemishes, but the price reflects the condition of the product.