It is narrated from Sayyiduna Ali bin Abi Talib (may Allah be pleased with him) that the shroud should not be made expensive; I heard the Messenger of Allah (peace and blessings be upon him) saying: "Do not be extravagant in the shroud, for it will soon be snatched away."
Hadith Referenceالسنن الكبرى للبيهقي / كتاب الجنائز / 6695