This little pot is an ideal place to keep your mustard fresh and tidy with a slotted hole in the lid for a spoon, Perfect for serving mustard on a dinner table. But also can be used for jam, spreads, honey etc. Made of high quality porcelain, scratch resistant, dishwasher safe.Mustard Pot, 4 oz. (130 ml), with notched lid , spoon, round, microwave/dishwasher safe, ovenproof (up to 572degreeF/300degreeC), fully vitrified, fine porcelain, white.