The Grabber Mega 18 Hour Warmer delivers long-lasting, natural heat designed for all-day use. These warmers are air-activated and require zero shaking or kneading—just open the package and allow a few minutes for heat to build. Made to be clean, dry, odorless, non-toxic, and non-flammable, they provide a safe and effective heat source that can be used inside gloves, pockets, or any insulated layer. Unlike standard warmers that last a few hours, this Mega version offers up to 18 hours of continuous warmth, making it ideal for extended outdoor adventures or full work shifts in harsh winter conditions.

The slim design ensures the warmer fits comfortably without restricting movement, while the all-natural heating reaction keeps hands and fingers warm even in severe cold. Perfect for winter sports, job sites, emergency kits, or backcountry trips, the Grabber Mega 18 Hour Warmer is a reliable cold-weather essential for anyone needing long-duration heat they can count on.

Key Features

• Provides up to 18 hours of long-lasting natural heat

• Air-activated — no shaking or kneading required

• Clean, dry, odorless, non-toxic, and non-flammable

• Slim design fits easily in gloves, pockets, or clothing layers

• Single-use, disposable convenience

• Ideal for skiing, hunting, outdoor work, hiking, and emergency kits

• Reliable heat for extended cold-weather exposure