Product Description

Material: silicone/Bio-based *5°c Phase Change Material
Functional characteristics: * Safe and reliable design: high-quality silicone and PCM combined with a ring-shaped structure ergonomic design, fit the neck curve, not easy to tear more safe and practical
* Rapid heating: no need to charge, microwave heating **3 minutes to use. 
* Adopting new bio-based PCM phase change cooling material to cool down the temperature, 
comfortably warm at *5°C and no worries about scalding.
* Long-lasting warmth, continuous
constant temperature for 2.**3 hours
* Comfortable feeling: Helps promote blood circulation and metabolism, relieves muscle and joint aches and pains, and improves stiffness and neck numbness.
* Matching removable fleece fabric cover, soft and skin-friendly, doubly comfortable.
* Lightweight, durable, recyclable, easy to carry, suitable
for multi-scene use.
* Size: average size, inner diameter: *0.8± 5cm, tube diameter: 2.8cm, inner circumference of about *4cm.
* Weight: **0± 5g
Method of use: Heat the neck warmer in the microwave for **3 minutes to make it completely liquid, then take it out and wear it.