It is narrated from Hazrat Uqbah bin Aamir (may Allah be pleased with him) that the Messenger of Allah (peace and blessings be upon him) said: If the Noble Qur'an is wrapped in any leather and thrown into the fire, the fire will not burn it.
Hadith Referenceمسند احمد / مسند الشاميين / 17365
Hadith Gradingحکم دارالسلام:إسناده ضعيف، مشرح بن هاعان عن عقبة ضعيف، وابن لهيعة سيئ الحفظ