Monoprice 110566 Small Neoprene Lens Cap It is made of neoprene to ensure a snug fit that doesn't scuff or damage your precious cargo The lens cap is thick enough to aide in shock absorption, yet light enough to be easily carried when on the move Additionally, it contains a removable, triple-layered foam insert in the end to protect the lens from potential drops, which would otherwise result in a cracked or shattered lens This lens cap fits lens hoods ranging from 2