The blue and white color references both history and symbolism, as it is consistent with the colors of the flag of Israel and is based on the signature Spode transferware technique famous in the ceramic industry since the 18th century The Seder plate by Spode will make a memorable gift for a friend or family member The Spode design is unlike any other Judaica product in the market, and highly collectable Made of high-quality earthenware and is dishwasher safe Seder Plate has a 12-1/4-inch diameter