Why choose an ordinary woven bag when you can choose an EVA box that is cooler, more portable and easier to store your towel? Run under water for one minute,wring out and snap it. Ice hyper-evaporative breathable material will chill you down immdeiately. 100% physical heating without any chemical additives Long-lasting cooling for 3-4 hours (depending on the condition) Designed for hot flashes, outdoor activities, indoor sports, fever or headache treatment, heatstroke prevention, sun protection, cooling on absorption. Natural Plant Dyeing, no fade after use; 100% clean fabric;durable stitching and other accessories;no smell after use. Custom LOGO is available. Price for over 10,000 is for sea shipment.