I just bought this in July. I'm selling it because I no longer need it. This is a neck cooler that stays cool for 20 hours just by soaking it in water, EX wide type, navy. - Brand: MAGICOOL - Product Name: Neck Cooler - Cooling Method: Cools down just by soaking in water - Size: EX (Wide Type) - Color: Navy - Usage: 20 hours of cooling effect Thank you for looking. Price is not negotiable.