The Sea to Summit Aeros Premium Traveller Pillow is a luxurious, yet lightweight, inflatable neck pillow for airplane, car and train travel. Its ergonomic shape supports the neck and head, while a narrowed center ensures better fit with seats and headrests. An adjustable neck closure ensures a custom fit. The multi-function mini valve provides easy inflation in just a couple of breaths, fast deflation, and the ability to fine-tune the firmness of the pillow. Brushed 50D polyester knit cover fabric is soft and cozy, and the TPU air bladder is durable and supportive. The Sea to Summit Aeros Premium Traveller Pillow measures 15.3 x 11.4 x 4.3 inches when inflated, and packs down to a compact 4.3 x 2.7 x 1.8 inches in its included zipper case; weighs just 3.3 ounces. Sea to Summit products are guaranteed against defects in materials or workmanship for the lifetime of the product.