Lens replacement foam nanuk 918 6your equipment and accessories benefit from the highest level of protection thanks to a custom-made protective foam insert in a nanuk suitcase. The specially designed, high-quality, closed-cell foam insert is pre-cut to fit goods and accessories and to offer the highest level of protection, while keeping your most valuable items safe, sorted and organized. It also comes with eggshell foam that goes into the suitcase lid.