| abstract |
A multi-layer, flexible, gas-permeable film (10) suitable for forming a cell culture container (20), the film (10) comprising a first layer (12) composed of a polystyrene having a thickness within the range of 0.0001 inch to about 0.0010 inch and, a second layer (14) adhered to the first layer (12) composed of a polymer material having a thickness within the range of 0.004 inch to about 0.025 inch. |