AmazonBasics Inflating Compressible Air Pillow 100% knit polyester Imported Compressible portable pillowperfect for car camping or international travel Expands fully for maximum support and comfort, then can be compressed and packed up small Knit polyester fabric exterior feels exceptionally soft to the touch Cushy urethane foam filling offers cozy comfort and support for a better nights sleep Measures 20 x 12 x 4 inches (L x W x H) when fully inflated