Eco-friendly reusable bag

Abstract

The reusable bag includes a casing having an internal accommodation space and an opening that opens to the accommodation space, a reeling member housed in the accommodation space, a bag element housed in the accommodation space and wound around the reeling member, and a locking element configured to a lateral side of the casing. The bag element is selectively reeled out from the reeling member while the reeling member automatically exerts a force to retract the bag element, and a stopping element is configured at a top edge of the bag element that is exposed outside the casing and blocked at the opening. The locking element is engaged when the bag element is pulled out for a desired length to lock the reeling member so that the bag element is not retracted back into the accommodation space by the reeling member.

I claim: 
     
         1 . An eco-friendly reusable bag, comprising:
 a casing having an internal accommodation space and an opening along a bottom edge of a lateral side of the casing that opens to the accommodation space;   a reeling member housed in the accommodation space;   a bag element housed in the accommodation space and wound around the reeling member, where the bag element is selectively reeled out from the reeling member while the reeling member automatically exerts a force to retract the bag element, and a stopping element is configured at a top edge of the bag element that is exposed outside the casing and blocked at the opening; and   a locking element configured to a lateral side of the casing, where the locking element locks the reeling member so that the bag element after being pulling out is not retraced back into the accommodation space by the reeling member;   wherein the locking element is engaged when the bag element is pulled out for a desired length; once the locking element is engaged to release its lock on the reeling member, the reeling member automatically retracts the bag element back into the accommodation space of the casing for future use.   
     
     
         2 . The eco-friendly reusable bag according to  claim 1 , wherein the bag element has a mesh tubular shape. 
     
     
         3 . The eco-friendly reusable bag according to  claim 1 , further comprising a key chain joined to a lateral side of the casing. 
     
     
         4 . The eco-friendly reusable bag according to  claim 1 , further comprising a clip configured to a back side of the casing.