... 3.Reusable and washable 4.Certificate:SGS,CE,ROHS space storage bag for daily vacuum storage :1.the material:PA+PE ... 130*90cm, 120*80cm,XL:110*70cm, 98*68cm,Large:80*60cm,85*55cm,84*48cm,Medium: 60*50cm, ... bag to save the space of the storageB)using zip lock to strengthen its air tightnessC)using the vacuum ... ,anti dust .D)very easy to vacuum the air with conveience and the storage period covers more than ...