space optimization: Our vacuum storage bags use the most advanced compression technology to save up to 85% of your storage space. With the included hand pump, you can easily expel excess air, keeping your belongings compact and flat, making your life more organized and easier, whether at home or on the road. Excellent durability and versatility: Our storage bags are made of specially synthesized PA-PE composites for extremely high wear resistance and durability. Even at low temperatures, it will not become brittle or crack. We design these bags so that they can be reused without loss of performance, providing you with a long-term storage solution. Innovative leak-proof design: To ensure that your items remain compressed during long-term storage, our vacuum storage bags are equipped with double sealing zippers and triple sealing valves. Combined with high-quality and durable materials, our storage bags ensure that your items remain compressed for a long time and are free of water and dust. A wide range of sizes to meet your needs: We offer storage bags in six sizes to choose from. Whether it is a large piece such as bed sheets, quilts, or a small piece such as clothing, travel supplies, we have the right size for you to choose. Let each of your items find its best storage space. Excellent customer service: We know that in addition to quality, excellent product service is also the key. We provide 24/7 customer service, regardless of any questions or concerns you have, we are always ready to provide you with satisfactory answers and solutions. When you choose our products, you choose a worry-free storage experience. Product name: Vacuum storage bag set Material: PA-PE composite material Product size Extra large :120*100cm to accommodate 10-15 kg heavy winter quilt 1 bed / 47.2*39.4 in Size: 2 blankets 100*70cm, or 1 bed / 39.4*27.6 in Medium size :80*60cm to accommodate 3 down jackets, or 5 autumn and winter sweaters /31.5* 23.6in Color: Transparent Package options: 5-piece set + hand pump (2 medium +2 large and 1 large) 8-piece set + hand pump (3 medium +3 large 2 large) 10-piece set + hand pump (4 medium +4 large 2 large) 12-piece set + hand pump (5 medium +5 large 2 large) 16 sets + hand pump (6 medium +6 large 4 large) Compression ratio: Up to 80% storage space can be saved Applicable environment: family, travel, camping, moving, temporary storage, etc Leakproof design: double sealing zipper, triple sealing valve Product features: Space saving, dust and moisture proof, high compression rate, durable, reusable, multi-package choice, suitable for various items storage.