1. 100% Biodegradable Material 3. Colour: nine colour 4.: Shpae: over 20 4. ... double copy rice paper, Bio-degradable material. Flame Resistant. 2. 100% environment friendly fuel, Duration: 10-12 minuters Flight height: 800 ... : one is metal wire lantern 99% biodegradable, another is Eco sky lantern (non-flammable string) 100% biodegradable. 4. Element: one lantern, one fuel ...