Ships from Hong Kong. This set of vacuum bags "shrink" your duvet, blankets, big towels, and clothes. A wonderful home helper to save more space in your home. It protects your clothes/duvets/ against odor, dirt, bugs, moths etc. The compression bags are airtight and watertight. A set of 4 Large bags (100*70 cm,39.37*27.56'')+ 4 Medium bags (80*60 cm, 31.50*23.62'').