The pact: darkness on demand. The Packt Blackout is a 3D contoured sleep mask built for travelers who refuse to let cabin light ruin their rest. The sculpted shell keeps fabric completely off your eyelids — so you can blink, open your eyes, or drift off without anything pressing against your lashes. Whether it's a red-eye flight, a bright hotel room, or an afternoon nap between connections — the Packt Blackout blocks it all out. 3D contoured shell — zero pressure on your eyelids or lashes Total blackout — blocks cabin light, hotel sunlight, and screen glow Adjustable elastic strap — fits any head size, stays put through the night Lightweight and packable — fits in any pocket or carry-on pouch Soft, breathable inner lining — cool against skin for longer wear Machine washable — arrives fresh on every flight