The OP/TECH USA Lens/Filter Pouch, Small (Black) is designed to carry a lens up to 4.5" and up to 2 filters. The pouch is made of neoprene with a microfiber lining. There is a zippered filter section with a padded protective divider that holds up to 2 filters and a wide-mouth lens section that holds a lens with a sunshade. It has a drawstring closure and a padded dust flap. It can be carried by using a snap attachment or a belt loop.