Big capacity and sturdy: with 6L capacity that can meet your daily shopping; quality ABS material disk which is very strong, not easy broken Eco-Friendly: choose this repeatable using shopping bag, refuse the one time Plastic Bags. Take good care of the environment and cheer the earth . Easy-to-operate: Pull tag to release shopping bag; Use finger holes to roll bag back up into disk. Portable, compact design and convenient in use: This is new type of creative item; it can collect the shopping bag into the small disk, which is very convenient to take away . Fashion design, very beautiful; be widely used on shopping, sports, outdoor, travelling and so on .