·Ingredients: Inside PCM material, outer TPU material

·Phase-change Temperature: 18-28℃

·Duration: 1-4 Hours 

·Size: S, M, L                                              

·Service: OEM & ODM service, Including shape, size, color and phase-chanage temperature, printing, package of the cooling tube

· Cell / Whatsapp: +86 155 8986 7027