embodiment 8 bags and 8 sheets are provided of course if three bags are positioned side by side in each layer then twelve sheets 23 would be provided the sheets 23 can be of any suitable type of flexible material such as thin plastic fiberboard or the like preferably the sheets 23 are rectangular fiberboard sheets of lightweight chipboard or cardboard which can be resiliently rolled into a tube and which will have sufficient memory to attempt to return to its original flat condition the illustrated sport bags 21 are of a sewn construction being formed of a major generally rectangularly main panel 25 two substantially circular end panels 27 and quick opening means 29 such as a zipper or other zip opening means or the like the panels 25 and 27 are cut from a suitable flexible material such as woven nylon cloth or the like which has an attractive appearance while resisting ordinary wear and inadvertent damage and abrasion the zipper 29 runs axially of the body of the cylindrical bag 21 and preferably extends substantially from end panel to end panel if desired a slightly shorter zipper might be employed or a slightly longer one might be arranged at a slight angle to the axis rather than parallel to it i e diagonally if desired if required the dimensions of the sheets 23 could be appropriately adjusted to facilitate use with a slightly shorter zipper the bags 21 are preferably provided with suitable carrying means which in the preferred embodiment is a pair of handles 31 which are provided by means of a flexible tape material 33 that is sewn or otherwise suitably attached to the main panel 25 of.