● Compression bags are useful for packing when traveling or on business trips. ● Simply put clothes inside and use a separate compressor or vacuum cleaner on the valve hole to easily compress them. ● This item is useful not only when traveling, but also for changing seasons and moving. 《How to Use》 1. Open the zipper and put clothes, etc., into the bag. 2. Use the included slider to securely close the zipper. * If dust or other particles get caught in the zipper, air may enter, so remove any dust from the zipper with a dry cloth. 3. Open the valve cap in the direction of the OPEN arrow, and apply a separate compressor or vacuum cleaner to the valve hole to remove the air. 4. Once the air is removed, close the valve cap in the direction of the CLOSE arrow. * If using a separate compressor, please check the instructions for use in the instruction manual included with the compressor.