The items have been washed, dried, and disinfected, but some residual odor may remain. Please note that the cutting is done by a non-professional, so there may be imperfections. If you are looking for a perfect item, please refrain from purchasing. 24 pieces are needed to complete a chair, and we will include one extra piece as a bonus. No pets or smokers. We sometimes receive requests to combine orders for this product, but due to shipping via postal mail, we cannot ship multiple items in one package. We accept orders starting from 100 pieces, so please comment if you need that many. For orders under 100 pieces, please purchase them individually. We have stock that is not currently listed, so please comment if you need a specific quantity.