ARTCISE Filter Set for Action Camera, Compatible with DJI Osmo Action 3/4/5 PRO (CPL + ND8 + ND16 + ND32) Optical Glass, Double-Sided Multi-Layer Coating, Waterproof, Oil-Proof, Scratch-Resistant, Aviation Aluminum Frame, High Light Transmission, Color Fidelity, for Video and Photo Shooting. Unopened, unused item, but as it is from a private seller, there are no attachments such as a delivery note. Initial defects, etc., cannot be handled. Thank you for your understanding.