BONAMART 3 PCS Water Cooling Bandana Collar Wrap Scarf Tie Body cooling 1) Ice Cool Bandana Keeps you COOL! It's Easy to Use: Just Soak in water for 3-5 minutes 2) Ideal for All Outdoor Activities, high temperature work-space, even a First Aid Application 3) Size: 98 X 5 CM 4)Until all water is evaporated, it keeps you cool. Once all water is gone, just soak in water again 5) Package included: 3 pcs Black Cool Bandana