>>>OVERVIEW JJC DIFC-C2 Drop-in Filter Case Kit contains two independent cases specially designed to safely hold and transport selected Canon / JJC Drop-in Filters. It is compatible with Canon Drop-in Filter Mount Adapter EF-EOS R, Canon Drop-in Clear Filter A/ Drop-in Circular Polarizing Filter A/ Drop-in Variable ND Filter A and JJC CA-EF_RF_K Lens Mount Adapter with Drop-in Filters (Sold Separately). Note: The product on sale is the case kit ONLY. Drop-in filters are NOT included. >>>FEATURES 1. Safely holds and transports selected Canon/ JJC Drop-in Filters; 2. High-impact ABS plastic material, pressure-proof, shockproof and sturdy, offering the utmost protection; 3. Stripe design on both sides makes the case pretty and anti-slip 4. Allows attracting both units together for easy carry thanks to the magnetic design; 5. Comes with a drop-in filter socket cover to prevent dust from entering the mount adapter. >>>COMPATIBILITY 1. Canon EF-EOS R Drop-in Filter Mount Adapter 2. Canon Drop-in Clear Filter A/ Drop-in Circular Polarizing Filter A/ Drop-in Variable ND Filter A 3. JJC CA-EF_RF_K Lens Mount Adapter with Drop-in Filters. >>>PACKAGE LIST 1. Drop-in Filter Case x2; 2. Drop-in Filter Socket Cover x1.