【Product Information】 Simply placing it in your car eliminates seat gaps, making car camping comfortable. Self-inflating, allowing for fine height adjustments by controlling the amount of air. Since it's an inflatable type, it can be stored compactly when not in use. Made of 210D Oxford fabric, water-repellent, wrinkle-resistant, and stain-resistant. This is a used item, so please refrain from purchasing if you are sensitive to such things. Please note that the item will be sent in simple packaging, in a plastic bag.