Cool Vest:

Material: Cotton, Cold gels.

Features:Storage bags can be reused thousands of time,middle quality storage bag of forzen storage time can be 4 hours storage ,high quality storage bag of forzen storage time can be 8 hours storage.

Uses:High temperature,high heat environment of summer cooling(example:smelting,casting,cooer,glass processing),open air operations personnel at hot season(traffic office,training,driver,electricity,railways,construction etc )