ADJUSTABLE SUPPORT AND COMFORT This Hshaped inflatable lumbar pillow is designed to provide strong, support for your lower back. By absorbing part of your body's pressure, it helps you maintain proper posture and reduces strain on your spine. The large surface area offers full lumbar coverage, giving you a comfortable and supportive fit whether sitting or resting. You can easily adjust the inflation level to find the ideal firmness for your needs. DUAL VALVE FOR EASY INFLATION AND DEFLATION Equipped with a dual valve system, this pillow is quick and easy to set up. Use the circular button for singleway air intake via the internal air pump, ensuring cleanliness and avoiding direct mouth inflation. The transparent valve allows rapid inflation or deflation when needed, making adjustments simple at any time. ERGONOMIC HSHAPED DESIGN The specially engineered Hshaped structure keeps your spine and waist in a stable position. It reduces sidetoside movement, supporting a more upright posture and preventing muscle fatigue during extended use. This design promotes alignment and comfort, making it suitable for long journeys or daily work. VERSATILE USE ANYWHERE for multiple settings, this lumbar pillow is an ideal companion for: Airplane travel to maintain comfort during long flights Car, bus, or train journeys to reduce back strain while seated Camping trips to add lumbar support to folding chairs or sleeping arrangements It is also for home and office use, providing extra back comfort during reading, working, or relaxing. FUNCTIONAL COMPATIBILITY AND PRACTICAL PERFORMANCE Lightweight and compact when deflated, the pillow fits easily into travel bags. The inflatable structure allows quick packing and storage without taking up space. Durable materials ensure it withstands frequent inflation and deflation without leaks. This practical, ergonomic design makes it a reliable option for anyone seeking portable lumbar support.