Al-Husayn ibn Sa'id narrated from Muhammad ibn Sinan, from someone who informed him, from Abu Abdillah عليه السلام, who said:
Imam عليه السلام said: "Whoever keeps his shroud with him in his house will not be counted among the heedless, and he will be rewarded each time he looks at it."
Ali Akbar al-Ghaffari
Tahdhīb al-Aḥkām fī Sharḥ al-Muqniʿah, vol. 1, p. 475