Coolong Bandana The stylish way to keep your pets cool! Reusable and hand washable Made with non-toxic polymer crystals that can absorb up to 30 times their weight and stay cool for several hours Edged with reflective tape for visibility Directions: Completely soak entire bandana in water for 15-30 minutes. The bandana will swell as it absorbs water to keep your pet cool for hours. To extend cooling time soak bandana and refrigertate before using. Air dry completey after using. Large (18 1/2"-26" neck) Medium (13 1/2"-19" neck) Small (8"-14" neck)