Here is a product that helps you travel more conveniently. It supports your arm and lets you maintain proper posture while you sleep in your seat. To get started, just slip it around one arm and crisscross it to create a sling to support your arms.The Napwrap can also be used as ear muff, eye mask, and phone holder. It is made out of breathable mess and cotton velour and keeps you comfortable. Sets you back under $20.