Thank you for looking! [Color] Blue [Size] One size fits all (neck circumference 30-40cm) ・Recommended for those who suffer from snoring, are concerned about mouth breathing at night, have been told they snore by family or partners, or want to sleep comfortably even when traveling for business or leisure! ・Suppresses unconscious mouth opening and sleep talking during sleep, supporting a comfortable sleep environment. ・Lightweight (only 48g) and compact, making it convenient to carry for business trips and travel ◎ ☆As this is an imported product from overseas, there may be rough stitching, small scratches, loose threads, packaging odors, or size discrepancies compared to Japanese products. However, we are offering it at the lowest possible price for this reason! If you have any other questions, please feel free to ask. (^ ^)