Nap Sac Blanket & Pillow Grass. Everyone wants to be comfy when they travel. Pack this fleece pillow and blanket set in your carry-on for car, plane, and train travel. The pillow blows up and the blanket has a convenient pocket for glasses or an MP3 player. The amazing Lug Nap Sac has quickly become a top seller and it loved by families everywhere. Machine washable.