Provides notebook storage and protection for transport…flip it over and your laptop can slide right into the channel. Unique curved design keeps you and your laptop comfortable and cool. Non-slip woven surface with engineered channels provides passive heat dissipation; no USB port or batteries required, no moving parts. C shape also acts as a protective sleeve for laptop transport. Flip it over and your notebook can slide right into the channel and into your bag. Weighs less than a pound!