Item Name: #A Cold Collar Freeze Neck Band Neck Cooler Reusable Ice Pack Neck Ring for Runn. Smart TV Box Android Quad Core HDMI 1080P Wifi Streaming Media Player UK
Specification:
Certification: CE
Origin: CN(Origin)
Name: Cool collar
Material: high toughness TPU
Size: as shown
Instruction:
This product uses innovative materials originally developed for NASA to keep you cool. This PCM gel freezes faster and lasts longer than water!
(it only takes 10 minutes in ice water and 20 minutes in freezer or air
