| I.P Abstract & Summary |
sides, and has an open inlet part of an upper part thereof; a first hole (21) positioned adjacent to the inlet part at one side of the upper part of the bag body part (10), and formed so as to pass through the bag body part (10); a second hole (22) formed adjacent to the first hole (21) so as to pass through the bag body part (10); a third hole (23) spaced from the second hole (22), positioned at the other side of the upper part of the bag body part (10), and formed so as to pass through the bag body part (10) |
