Cooler bag

Abstract

A cooler bag, comprising: a box body ( 2 ) and a cover body ( 1 ). The box body ( 2 ) and the cover body ( 1 ) are connected by means of a zipper ( 3 ). The zipper ( 3 ) is provided with a pull tab ( 31 ). A portion of the pull tab ( 31 ) in contact with fingers of a user is arc-shaped.

What is claimed is: 
     
         1 . An ice bag, comprising a box and a cover, wherein:
 the box and the cover are connected through a zipper which is provided with a zipper pull, and a portion, in contact with fingers of users, of the zipper pull is arc;   a protruding portion is disposed on a lower surface of the cover, and a concave portion is disposed on an upper surface of the box; and when the cover covers the box, the protruding portion is inlaid in the concave portion, such that an internal space of the box is sealed by the cover.   
     
     
         2 . The ice bag according to  claim 1 , wherein when the ice bag is placed flat, a non-zero first angle is formed between at least a tail of the zipper and a horizontal direction. 
     
     
         3 . The ice bag according to  claim 2 , wherein the ice bag further comprises:
 straps which are disposed on two sides of the ice bag and are of a double-layer structure.   
     
     
         4 . The ice bag according to  claim 3 , wherein when the ice bag is placed flat, a non-zero second angle is formed between the straps and a vertical direction. 
     
     
         5 . The ice bag according to  claim 4 , wherein the second angle is 3°. 
     
     
         6 . The ice bag according to  claim 5 , wherein a cross-section of the box is hexagonal. 
     
     
         7 . The ice bag according to  claim 6 , wherein the cross-section of the box is constituted by an antiparallelogram and a rectangle or a square. 
     
     
         8 . The ice bag according to  claim 7 , wherein the cross-section of the box is octagonal.