I made something tonight we have needed for awhile now. When Jessie plays her basketball games, each member of her team has a bottle of water. The girls have tried labeling their waters, but it always seems to rub off and the water is warm by the end of the game.
I used two different fabrics (the other side is an aqua color with white polka dots) and put a layer of insulated batting between them. Hopefully this will keep her water cold and she will be able to instantly be able to tell which water on the floor is hers. I used velcro for the closure. It is reversible. It was so simple, I feel bad it took me so long to get it done! Any bets on how long it takes her to lose it? I think I will make a few extra!