How to Use: * Remove from the plastic bag and use the small bag (non-woven fabric) as is, without cutting it. * The effective range is within 10cm per small bag. * It is effective to put this product and the items you want to protect from mold together in a non-breathable bag, such as a plastic bag, and seal the opening. * It is even more effective to include silica gel to prevent moisture. Uses (Please use for the following storage, preservation, etc.): * Photographic film (negative film, slide film, etc.) * Optical equipment (cameras, interchangeable lenses, etc.) * Leather products, musical instruments, electronic devices, etc. Main Specifications: (Per bag): W50 x H75 x D4mm 5g x 5 bags per set, 4 sets ⚫︎ I have a large quantity, so please comment if you need some.