This is a clothing/comforter/futon compression bag. Contents Product Number: LL ◆120*100 CM-----4 pieces Material Compression bag: Polyethylene, Nylon Slider: Polypropylene [How to Use] STEP 1: Ensure the items to be stored are completely dry, fold them to fit the size, and then place them in the compression bag. STEP 2: Flatten the compression bag and expel the air inside. STEP 3: Close the zipper, then slide the slider from left to right to seal. Slide repeatedly to prevent air leakage. STEP 4: Turn and open the valve cap, then use a manual pump or vacuum cleaner to expel the air from the compression bag. STEP 5: After expelling the air from the compression bag, close the valve of the compression bag. STEP 6: If you have a vacuum cleaner at home, place the tip of the vacuum cleaner hose vertically against the valve and begin suction. Once compression is complete, simply remove the hose from the valve. * Caution: Absolutely do not remove the transparent silicone inside the valve that prevents air leakage. [Precautions] 1. Please ensure clothing and other items are completely dry before use. Do not put leather products or food in the bag. 2. Insert items as far into the bag as possible, leaving at least a few centimeters of space from the slider zipper. 3. To ensure airtightness, open and close the slider repeatedly. 4. There is pink silicone inside the valve to prevent air leakage, so please do not remove it. 5. Keep out of reach of infants and young children. There is a risk of suffocation if they cover their heads with the bag. This product is a bag for compressing and storing clothing. Never use it for purposes other than its intended use. 6. Avoid heat and fire, and do not scratch with nails, needles, blades, etc.