Instant Heat Activation: Press metal disc to crystallize gel and release warmth within seconds.
Reusable Design: Reset by boiling in hot water until crystals return to liquid state.
No Battery Required: Operates without electricity, battery, or USB charging.
Custom Shape Available: Options include round, heart, square, animal shapes, and custom designs.
Custom Logo Printing: Personalize with your own logo to enhance brand visibility.
Portable Pocket Size: Easy to carry in pockets, gloves, bags, and outdoor kits.
Versatile Applications: Ideal for winter, camping, skiing, hiking, travel, and promotional gifts.
OEM and ODM Accepted: Customization available for color, shape, size, and packaging.