DSTE&reg; 3pcs yellow Battery Storage Case/Organizer/Holder Protection Cover for Canon NP-E3 NPE3 EOS 1D EOS 1D MarkII EOS 1D MarkII N EOS 1DS EOS 1DS MarkII Camera Battery Protects reliably against scratches, blows, and wear Environmental ABS (Acrylonitrile Butadiene Styrene Plastic) Package Details: Cover x3 Batteries are not included Quality Weather Resistant Plastic Battery holder