Address spills and stains promptly by gently blotting the affected area with a clean, damp cloth, avoiding rubbing to prevent spreading. For stubborn stains, utilize a mild detergent and cold water, rinsing thoroughly and allowing air drying. Maintain its appearance through regular dust and debris removal using a soft garment brush or lint roller. Hang the blazer on a sturdy, padded hanger to preserve its shape, ensuring adequate closet space to prevent creases.