Summary: Warmies Eye Masks, Hugs and Juniors are the brand's smallest formats — the Marshmallow Lavender Eye Mask is 4" x 2" x 8.5" and 0.5 lbs — and they heat in 20–30 seconds in a standard microwave.
Warmies makes several product types small enough for a carry-on. The Marshmallow Lavender Eye Mask measures 4" x 2" x 8.5" and weighs 0.5 lbs. Warmies Hugs and Warmies Juniors are the other compact formats; both heat in 30 seconds in a 600–800w microwave or 20 seconds in an 850–1000w microwave, compared with 60–90 seconds for full-size plush, boots, slippers and neck wraps.
Every one of these products is weighted, warmable and scented with dried French lavender, so the small formats do the same job as the larger ones. The eye mask is designed for warm or cool relief from headaches, migraines and tired eyes, and it is freezable as well as microwavable: seal it in a grip-seal freezer bag for 2–3 hours for cooling comfort.
Two travel notes from Warmies' own care instructions: only ever heat Warmies in a microwave — not a dryer or any other appliance — and always let the product return to room temperature, which can take up to 4 hours, before reheating.