Unopened, unused, and stored in a dehumidified cabinet. I purchased these as backups for a variable ND filter, but I no longer need them as I've changed lenses. The only included accessory is the plastic case. Brand: Marumi Optical Filter Function: ND (Neutral Density) Filter Filter Shape: Circular (Slim) Circular Filter Size (mm): 55.0 mm Filter Surface: Full Surface Filter Features: Black ink applied to the outer edge of the filter - Model: DHG ND 64 55mm - Model: DHG ND 32 55mm - Model: DHG ND 16 55mm Thank you for looking.