I was in charge of putting together an auction basket for my son's HS band auction. I decided to do an Operation Gratitude basket with the donations I received. I got all kinds of goodies from their Wish List and filled up a box. At the bottom of the list was Cool-Ties with a link to instructions on how to make them. I found out that they cost $4 to buy at a local store, so I decided to make some instead. I was able purchase a bottle of Schultz Moisture Plus Watering Crystals for just under $8. I made 32 ties and only used about 1/3 of the bottle. I used quilt scraps I had on hand to cut the 4" strips, following the directions on this site. I quickly serged the edges and then sewed the remaining parts in a chain-link style, pushing each tie through the machine without stopping to cut in between. I was about to make all the ties in about 3 hours.
Here is my daughter modeling the test tie. It's amazing how less than a teaspoon of the crystals fatten up with the water and stay wet and cool for days!