Portable bags can be stretched expansion・ let a person can carry the items needed to buy more easily・ without the needfor shopping bag size and trouble・ in case of heavy tractor・bottom with a tug・ more convenient・ more convenient・ more real・ and watching the new fashionable.
The characteristics of the commodity:
1・ can be used as a storage bag・ bag use.
2・ worry and effort・ to do more shopping・ push cart.
3・ folding・ large capacity.
4・ folding push wheel design・ "the amphibious".
