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23.5x3cm Lunch Box Heat Packs

23.5x3cm Lunch Box Heat Packs
Features Gallery Product Description Request A Quote
Size: 23.5x3cm
Weight: 1100g
Outer Material: Food Grade PP
Color: Can Be Customizd
Packing Type: Can Be Customized
Eco-friendly: Yes
Use: Food Keep Warm
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23.5x3cm lunch box heat packs


1100g lunch box heat packs


8h lunch box heat packs

Basic Infomation
Place of Origin: China
Brand Name: JISILL
Certification: FDA,MSDS,CPSIA,Regulation(EU)no.102011
Model Number: BH114
Payment & Shipping Terms
Packaging Details: 48pieces/carton,carton size:40*27*17cm
Delivery Time: Sample: within 2 days, bulk order:7-10 days, according to the order quantity
Payment Terms: T/T (30% advance payment, 70% balance payment to deliver the goods), Western Union, Paypal
Supply Ability: 10000pieces/week
Product Description


Microwave Heating Reusable Hand Warmers Lunch Box Heat Packs 




Jisi Cold Chain Technology focus on the development and production of heat and cold storage box.This is the hot water heating heat storage box,After more than 2 years of improved formula and test, energy storage box in the 80-90 degrees hot water and heat for 10 minutes, temperature can reach 70-80 degrees, if do not need the temperature is too high, can reduce the heating time.In the thermal bags can be maintained at 50 degrees temperature 6-8 hours.







1,Heat capacity is big: after many improved formula of the heat storage material, the greatest degree of play the function of heat accumulation, increase the heat storage.


2,Release time is long:inthe thermal bags keep warm 6-8 hours.Most of the time to maintain constant temperature 50 to 55 degrees.


3,Increasing the safety factor of the product:the shell is resistant to high food grade PP, don't melt or deformation at high temperature , can be used repeatedly.




Instructions For Heat Pack Products

This is a storage pack that needs heating,The inner material of this product is solid at room temperature,It needs to be heated by microwave oven or boiled water, and the heat storage material inside should be melted completely as far as possible, so as to absorb heat to the maximum extent and making the heat preservation time longer.


Matters needing attention for microwave heating:

1. Set the microwave on medium to high heat, not more than 5 minutes.In the process of heating, if you find the plastic box drum phenomenon, please immediately stop heating, to avoid the plastic box rupture, polluting the microwave furnace.(Note : About 3 minutes is appropriate, you know the temperature of the microwave oven is very high, the box will melt and burst over time.)

2. To avoid burns, bring gloves when you remove them from the microwave (Because the temperature about 70-80 degrees)

3. After removing from the microwave, check whether the internal material has completely melted. If not, please continue to heat for 30 seconds at a time.When the heat storage material is completely melted, it can be put into an insulated bag or insulated cooler box with food that needs to be insulated.


Matters needing attention for boiling water heating:

Put the product into hot water(more than 60 ℃ hot wate). After 10 minutes, check whether the internal heat storage material has completely melted. When all melted, take it out, it can be put into an insulated bag or insulated cooler box with food that needs to be insulated.


23.5x3cm Lunch Box Heat Packs 0






The range of application:


Applicable to school, work to carry lunch, outdoor activities, tourism, take-out lunch need to keep the temperature field. Add a layer of flannel, can used for heating in winter.


23.5x3cm Lunch Box Heat Packs 1

 Product show


23.5x3cm Lunch Box Heat Packs 2

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Packing :


  • Nude packing
  • Each in opp bag/polybag/shrinking wrapped/printed gift box/display box/PVC bag/Shrink box or any other packaging as your request
  • Customized packing is acceptable.
Shipping By sea Any carrier
By air Fedex,DHL,UPS or other logistics
Freight and container quantity Please contact me



23.5x3cm Lunch Box Heat Packs 5


Our Services


Accept Customize Products

  1.  Based on your design open a new mould
  2.  Color: any panstone; Material: HDPE plastic
  3.  Logo:Engraving
  4.  Sample time:10 days after
  5.  Artwork format:AI,PDF,ect
  6.  Mass production lead time:15-20days



Accept Customize Packaging

  1. Type: label,display box,opp bag,shrink film,ect.
  2. Material:Paper, carton etc
  3. Sample time: 7 days after design be confirmed
  4. Artwork Format: AI, CorelDRAW,Photoshop, PDF, etc.


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Get in touch with us
Tel : 13092579520
Fax : 86-0519-88789192
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