Long hours in a chair take a toll on the hips, tailbone, and lower back, and this air cell cushion is built specifically to counter that strain. Fifty six independent air cells distribute weight evenly across the seating surface, easing pressure points that build up during travel, long commutes, or a full day at a desk, while the high elastic Lycra cover stays breathable and skin friendly against extended contact. Wear resistant TPU air cells hold their shape use after use, and a hidden inflation valve paired with a manual pump makes it simple to reach the ideal firmness in seconds. Once deflated, the cushion folds down small enough to slip into a bag, making it a natural companion for the office chair, the car seat, or the airplane tray table alike. Product Specifications Color: Black Material: Lycra cover, TPU air cells Overall Dimensions (L x W x H): 16.14 x 18.11 x 1.18 inches Seat Dimensions (L x W x H): 16.14 x 18.11 x 1.18 inches (inflated) Backrest Height: Not applicable, seat cushion only Base Diameter: Not applicable Weight Capacity: Rated for standard adult use, check manufacturer listing for maximum load Net Weight: 0.89 lbs Care Instructions Deflate before cleaning. Wipe the Lycra cover with a damp cloth and mild soap, then air dry fully before reinflating. Do not machine wash or expose to sharp objects that could puncture the air cells. Key Features 56 independent air cells relieve pressure on the tailbone, hips, and lower back Breathable, skin friendly Lycra cover with anti slip dots on the base for a secure fit Manual pump and hidden valve allow quick inflation to roughly 70 percent for optimal comfort Advanced air convection design reduces hip pressure by more than 30 percent Deflates flat for easy storage and travel between office, car, and airplane Warranty and What's Included 1 Year Limited Warranty Assembly may be required All instructions are included in the package Fast shipping and carefully packed