Moshi's Codex collection is carefully crafted with a combination of high-resilience polymeric hybrid material that resembles a brushed metal surface and Terahedron™ inner lining to prevent scratches. The outer surface of Codex has been treated to be splash repellent and can be cleaned with commercial leather cleaners. The inner lining of Codex is made of Terahedron™ microfibre which can be treated with a damp cloth in conjunction with suede cleaner. Never use bleach or any harsh solvents on Codex. Let Codex dry naturally after cleaning. Do not machine wash or dry clean Codex.