Customized Caps & Hats, Very Kool Cooling Bandana - Sublimation - Quick Dry, Simply wet, wring, and wear. This towel allows surrounding air to stimulate cooling, while remaining dry to the touch. The Very Kool Cooling towel is made of hyper-evaporative 100%polyester. No refrigeration required; machine washable, line dry recommended. ... #H713S $2.22/each.