Come and Check Our Branding Solutions.This cooling scarf is made of high quality polyester. This Coolding Scarf is a great item for hot summer, It can be used as cooling scarf, headband, wristband, etc. It can keep you feel cool for several hours when you do outdoor sports in hot summer. It is straightforward to use. Activate the cooling technology by soaking the cooling scarf in the water for about 5 minutes until the crystals fully absorb the water, gently removing any excess water, wear it where you want to cool down. 100% guarantee for quality. The price includes the shipping cost to ca, QTY for 10000pcs and over by ocean. Rush service is available. Pls check inventory and detailed info before placing your orders.