About this item

  • Activates with a simple squeeze
  • No microwave or hot water needed
  • Portable 5" x 9" size
  • Durable plastic cover
  • FSA/HSA eligible

Dynarex Instant Hot Pack, Disposable, 5" x 9"

Dynarex  |  SKU: 4516-Single
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$499
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FSA/HSA eligible Can be bought with an FSA/HSA card — no prescription or Letter of Medical Necessity needed. We keep this up to date, but always confirm eligibility with your health plan. Learn more

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Dynarex Instant Hot Pack, Disposable, 5" x 9"

When warmth is needed right away, the Dynarex Instant Hot Pack delivers heat on demand with no microwave, hot water, or electricity required. A simple squeeze activates the pack, making it a convenient choice for first-aid kits, athletic bags, clinics, and home care where you want fast, portable comfort without any prep.

Each general-purpose pack measures 5" x 9" and features a durable plastic cover designed for single, disposable use. Because it's ready the moment you need it, this hot pack is ideal for stocking in emergency supplies or keeping on hand for everyday aches and soreness. It's also FSA and HSA eligible, so it's easy to add to your qualifying purchases.

Choose the option that fits your needs: this hot pack is available in multiple purchase sizes, sold as a single unit or as a case of 24. Select the quantity that works best for your household, facility, or travel kit and keep dependable warmth within reach.

How do I activate the hot pack?
Simply squeeze the pack to activate it, and it will begin producing heat without any microwave, hot water, or electricity.
Can the pack be reused?
No, this is a disposable, single-use hot pack designed to be discarded after use.
What size is the pack?
Each hot pack measures 5" x 9", making it a compact option for kits and bags.
How is this product sold?
It's available in multiple options, offered as a single pack or as a case of 24, so you can choose the quantity that fits your needs.
Is this eligible for FSA or HSA reimbursement?
Yes, this Dynarex Instant Hot Pack is FSA and HSA eligible as a qualifying purchase.
FSA/HSA EligibleYes
Dimensions5 x 9 in
MaterialPlastic
LatexLatex-Free
Disposable / ReusableDisposable
Hot / ColdHot
ApplicationInstant Hot Pack
Activation MethodChemical Activation
Target AreaGeneral Purpose
BrandDynarex
SKU4516-Single
UPC616784451619

Key Features

  • Instant Warmth On Demand: A quick squeeze activates the pack so you get heat right when you need it.
  • No Power or Prep Required: There's no need for a microwave, hot water, or electricity to get it working.
  • Grab-and-Go Convenience: Its compact, single-use design makes it easy to stash in first-aid kits, gym bags, and travel packs.
  • FSA and HSA Eligible: You can use your flexible spending or health savings account on this qualifying purchase.
  • Flexible Purchase Options: Order a single pack or stock up with a full case to match how you'll use it.

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