New, unused set of 50 collar stain prevention sheets. These sheets prevent collar stains on dress shirts and blouses. They absorb sweat and sebum, keeping collars clean. Recommended for those who want to keep their clothes looking nice for a long time. [Quantity] 50 sheets [Material] Non-woven fabric Please refrain from purchasing if you are sensitive to items stored at home. Thank you. Sweat absorbent sheet, hat sweat absorbent pad, collar stain guard tape, sweat absorption, deodorant sheet, unscented, sweat stain prevention, heatstroke prevention