The product is a set of 137 PBT keycaps in white and black colors, featuring MXD technology to prevent sinking and scratches. Made by the brand JMTCtech, these keycaps are designed for mechanical keyboards and are crafted from polybutylene terephthalate (PBT) material. The keycaps come with a charger included and have dimensions of 1 inch in height, 12 inches in length, and 8 inches in width. Manufactured in China, these keycaps are a stylish and durable addition to any keyboard setup.