A shoulder strap keeps bottled water handy when you are on the go.
Cut a 43 inch piece of 1 inch wide grosgrain ribbon,and fold its ends in half width wise.
Slip the ends of a 6 inch length of cording 1/2 inch into the folds. Pin in place;secure the cording by stitching back and forth several times across the ribbons ends,then continuing 1/2 inch along the fold.
Sew a rectangle to close ribbon edge. Thread a plastic cord lock onto the cording;use it to tighten the loop around the plastic water bottle.
Now would be the time to make up a few of these for next Spring and Summer. Great gifts too.