Fotasy FC2 Filter Case Neoprene Protective Bag Pouch fits up to 77mm, Black This Neoprene Protective Elastic Filter Protect Cases fits 2 x Lens Filters (up to 77mm) or 1 x 82mm Filter. Secure and convenient method for carrying filters in the field Each neoprene case contains two filter pockets Attaches easily to gear with a snap hook Protects against dust, moisture and impact