The ornamental design for a christmastreestoragebag, as shown and described.
FIG. 1 is a perspective view of the Christmas tree storage bag showing a front, bottom, and left side of my new design;
FIG. 2 is the front view thereof; a back view is not shown, but is a mirror image of the front view;
FIG. 3 is the top view thereof;
FIG. 4 is a bottom view of the bag thereof;
FIG. 5 is a left side view thereof;
FIG. 6 is the right side view thereof; and,
FIG. 7 is a front view of the Christmas tree storage bag in a closed position with environmental Christmas tree components shown within.
The broken lines on the handle illustrate portions of the Christmas tree storage bag and form no part of the claimed design.
The dash-dot broken lines immediately within the bag's opening in FIGS. 1 and 4 illustrate the bounds of the claim and form no part of the claimed design.
The dot-dash broken lines of FIG. 7 showing the Christmas tree components stored therein illustrates environment and forms no part of the claimed design. It is understood that the surface Christmas tree bag is opaque and the branches are visible for convenience of illustration only.