Jia Wei Lifestyle, Inc. designs, develops, manufactures, and sells household products. Its offerings include tableware such as plates, bowls, and jars; drinkware such as cups and jars; and kitchenware products under the prepara brand. The company was formerly known as Gamma Optical Co., LTD and changed its name to Jia Wei Lifestyle, Inc. in August 2019. It was incorporated in 2005 and is based in Taipei, Taiwan.