Iritate Meijin Home Roasting Coffee Roaster Ichinomiya Bussan Includes: Lightweight spoon, box No instruction manual Based on information found online: Material: Ceramic (Petalite) Maximum roasting capacity: 60g of green beans per batch (3 heaping spoonfuls with the measuring spoon = approximately 12 cups of hot coffee) Not compatible with HI cooktops Used approximately less than 10 times. There are no noticeable stains, but there is a spot on the side that appears to be chipped. (See photo 7) It may be due to the paint, and not a stain, but please understand this before purchasing. Available for immediate purchase. Thank you.