TINAYAUE Inflatable Lumbar Support Pillow for Car Seat Office Chair, Adjustable Firmness Air Pump Portable Travel Back Waist Cushion, Washable Breathable Ergonomic Pad for Reducing Lower Back Pain

["Inflatable Lumbar Support Pillow with Hand Pump: Features a hand pump bulb that lets you customize the firmness and inflation level to your personal comfort needs. Add air for firmer support or release for softer comfort (avoid over-inflation).","Breathable Mesh & Durable Materials: The soft, perforated polyester cover promotes airflow to keep your back cool and comfortable during extended use. Wear-resistant spandex edging and thick inflatable airbag provide added durability. size 26x17cm (10.2x6.7in). Washable for easy care.","Ergonomic Comfort & Support: Bionic inflatable lumbar pillow cushion fits your waist curve naturally, filling the gap between your spine and seat. Helps reduce neck, back, lower back, and lumbar discomfort from long sitting and promotes healthy sitting posture. Ideal for office workers, drivers, or travelers.","Strong Hook & Loop Back for Secure Attachment: Features a powerful hook-and-loop fastener on the back. Easily attaches to a waist belt, cloth office chair, car seat, wheelchair, or sofa. Stays firmly in place during use—no slipping or shifting.","Portable & Travel-Friendly: Deflates completely for compact packing. Lightweight and small enough to fit in suitcase, handbag, or backpack. Perfect for office work, car driving, home rest, travel, and long flights. A thoughtful Thanksgiving, Father's Day, Mother's Day gift for family, friends, elders or seniors."]