Official product, with stains on the back. ■Product Name: Genshin Mouse Pad - To the Stars Shining in the Deep Sea ■Material: Natural Rubber ■Size: Approximately 700*400mm ■Brand: miHoYo The photos are for reference only; please refer to the actual product. *Notes: There is a possibility of color fading or deformation, so avoid direct sunlight, high temperatures, humidity, and fire. Keep away from sharp objects as they may damage the surface. There may be scratches or color fading due to use. This is not a quality defect. If there is dirt on the surface of the product, moisten a soft cloth with water and wipe gently. Do not use solvents such as rubbing alcohol or lighter fluid, as they may cause scratches or color fading.