StillCool 8 Travel Space Saver Bags - No Vacuum or Pump Needed - Storage Bags for Clothes - Reusable Packing Sacks - Travel Accessories Luggage Compression Bags (Blue) High Quality & Reusable PA+PE; anti-microbia, perfectly protect from dirt, bugs, odors, moths, mildew, and bacteria. No Vacuum or Pump NeededTravel friendly, no need any special device to use the vacuum storage bags. Simply pack your stuff, zip and roll up the storage bags. Save 80% More Space8 packs -- 2 x Medium (40*50 cm/16*20 in); 3 x Large (40*60 cm/16*24 in); 3 x Jumbo (50*70 cm/20*28 in). Store your clothes, bed sheets, towels, blankets, and more for your luggage and small hand luggage. air tight & waterproofDouble-zip seal and sturdy vacuum storage bags are intended to squeeze air out and nothing gets back in. One-Year Guarantee12 MONTHS from the date of purchase, we support return and refund. Any questions about the product, please feel free to contact us. We will offer you satisfactory solution.