Stopper Bags are made from Tyvek® and a polyethylene/HDPe flexible film.  This combination of materials yields superior seal strength for stoppers and other critical items.

Breather Bags are made from Tyvek® and a polyester-based flexible film.  These bags offer a higher strength alternative to paper/film pouches.

Designed to be autoclaved, these bags are lint-free, moisture resistant, puncture resistant and extremely tough.  The Tyvek® side offers high breathability while providing an effective bacterial barrier.  The clear film side offers excellent clarity combined with strength and durability.  GEPCO's Stopper Bags and Breather Bags can be used in gas or steam sterilizers and can also be irradiated.  Breather Bags are available with a convenient self-seal closure.  Stopper Bags and Breather Bags/Tubing can be heat sealed, or taped closed.