Abstract: A portable bag storage apparatus including an elongated bag body constructed with a non-distensible major part and having a first cross section for receiving rolled up articles of a first size and incorporating an expansion strip formed of stretchable material to provide for stretching the bag body from the first cross section to a second cross section for accommodating larger sized rolled up articles. The bag further includes an opening and a fastener device enabling selective insertion of the rolled up articles into the bag body.