Signature 4 Pieces Antonia Hotpots. The 4 in 1 hotpot or serving bowls are classy and very elegant. They keep food warm and fresh for long. It is a durable product and very presentable because of its versatile nature. The serving dishes come in four colors; that is white, ivory, peach, and grey. Each set has four different sizes. The inside is stainless steel and bone ash-free.