Series: Honkai: Star Rail
Character: Cipher
Material: Polyester fiber
Product Type: Mask
Manufacturer: miHoYo
Dimensions (approx.): Approximately 170 x 85mm (adjustable elastic band)
Release Date (Manufacturer): End of May 2026
*Official Product*
![Nekotwo [Pre-order] Honkai: Star Rail - Cipher Impression Sleep Mask miHoYo](http://nekotwo.com/cdn/shop/files/imgi_4_O1CN01EtZjuF1fEbUEZzovz__4611686018427383383-0-item_pic_jpg_q50_jpg.webp?v=1773116042)
![Nekotwo [Pre-order] Honkai: Star Rail - Cipher Impression Sleep Mask miHoYo](http://nekotwo.com/cdn/shop/files/imgi_5_O1CN01jH6jMT1fEbUCkfpsg__3249253975_jpg_q50_jpg.webp?v=1773116042)
![Nekotwo [Pre-order] Honkai: Star Rail - Cipher Impression Sleep Mask miHoYo](http://nekotwo.com/cdn/shop/files/imgi_6_O1CN01HAWpXr1fEbUCkfyAi__3249253975_jpg_q50_jpg.webp?v=1773116042)
![Nekotwo [Pre-order] Honkai: Star Rail - Cipher Impression Sleep Mask miHoYo](http://nekotwo.com/cdn/shop/files/imgi_7_O1CN0118eZW51fEbUCX6Ubu__3249253975_jpg_q50_jpg.webp?v=1773116042)
![Nekotwo [Pre-order] Honkai: Star Rail - Cipher Impression Sleep Mask miHoYo](http://nekotwo.com/cdn/shop/files/imgi_8_O1CN01qnUFoK1fEbUD4W8wM__3249253975_jpg_q50_jpg.webp?v=1773116042)
![Nekotwo [Pre-order] Honkai: Star Rail - Cipher Impression Sleep Mask miHoYo](http://nekotwo.com/cdn/shop/files/imgi_9_O1CN01CBUVs31fEbUDCdOEH__3249253975_jpg.webp?v=1773116042)