One of the main manufacturer in CHina about Features:

The material of vacuum storage bag is: PA + PE & PET+PE

Common vacuum storage bag thickness: 70 micro/80 micro/110 micro

The popular vacuum storage bag sizes are as follows: 130x100cm / 130x90cm/ 130x74cm / 120x80cm / 110x70cm / 98x68cm 100x70cm / 98x68cm / 80x60cm / 86x55cm / 85x54cm84x48cm / 60x50cm/57x45cm,

Customized vacuum storage bag is available.

Take advantage of the best value on the Web.
Pack three times more!  
Protect your valuables from water damage, dust, dirt and insects.
Preserve precious heirlooms and collectibles.
Triple storage space in closets, attics, basements, under-bed storage at a fraction of the cost of adding additional closets.
Organize your closets and reduce clutter.
Waterproof your belongings without fear of damage from damp weather.
Airtight bags keep odors out.
Reusable year after year.