The Misxi 2 Pack Hard PC Case is designed to fit 49mm smart watches, specifically models like Ultra3, Ultra2, and Ultra. The case comes in a sleek black color and includes two units in the package. With a package weight of 18g and dimensions of 85mm x 121mm x 17mm, this durable case provides protection for your smart watch while allowing easy access to all ports and functions. The Misxi brand ensures high quality and reliability for your device.