ULTRA WATERPROOF : Backpack rain cover made from superior waterproof fabric. Protect your backpack completely from light and heavy rainfall. Suitable for any rainy activities and outdoor adventure FABRIC : The fabric of the rain cover is WATERPROOF, ANTI BACTERIAL, ANTI FUNGAL, FLAME RESISTANT, UV BLOCK, treated to keep you protected. DURABLE : The elastic rim constructed with strong material for long term use. EASY TO USE : The elastic rim around keeps your bag in place