1. Friendly material charcoal memory foam, this is not down pillow, highdensity slow rebound inner core for the comfortable nap, Removable and washable Velvet Cover feels comfortable and soft. The wedge pillow for sleeping has a little textile smell, please leave it in air for 2 or 3 days before using, it will be . 2.Unique Design Size: 13.78''x9.84''x5.9''(in), hollow design breathing, natural ventilation. Perfect arm pillows for adult, wedgeshaped design to ease the arm pressure. It can be used directly when taken out. The hardness of the sponge material is slightly hard and it can support the lasting force. 3.MultiUses Great sleeping wedge pillow for adults in office, library, house, traveling. Tummy sleep, face down sleep and neck sleep are all very comfortable. It can be used on the back to effectively reduce sedentary fatigue, also suitable for stomach sleepers. 4.Package Include , portable, and perfect for traveling by car or airplane, EASY TO CARRY AROUND! Cushion and a storage bag weigh only 21oz. ATTENTION: It might have a little textile smell due to sealed package and nap pillow, no harm to your .