Premium Fabric: Our?back seat air mattress is thickened PVC fabric, offering outstanding durability and waterproof performance. Ergonomic Design: Our unique wave design follows ergonomic principles, providing better support and comfort.? Superb Weight Capacity: This back seat blow-up mattress has a weight capacity of up to 600 pounds, accommodating 2-3 adults simultaneously.? Multiple Usage Scenarios:?serving as a car air mattress, SUV air mattress, and suitable for car back and SUV back seats. It also can be used in guest bedrooms, hotels, tents, and camping sites.? High-Quality Assurance: A 3-year warranty was promised.