Product information: Brand: ROCKBROS Weight: about 243g Size: about 265*185*35mm Material: Lycab + 2.0CR diving material + milk shreds + memory foam Color: Black Features: Ergonomic design: The ROCKBROS cover has a streamlined shape with a hollow with breathable grooves that allow airflow from the center of the cushion cover, making it breathable and comfortable. Not easy to deform: This saddle cover can be rotated arbitrarily without leaving wrinkles, soft and comfortable while adapting to high distortion, not easy to deform. Soft Shock Absorption: This saddle cover is made of slow rebound memory foam that thickens to absorb shock and keep your ride bumpy. This saddle cover can be installed at the back of the tail to serve as a warning when riding at night. (This product does not come with a tail light)