Travel Neck Pillow: Hawaiian Adventures - Black Make sleeping, reading and resting while travelling comfortable with our Travel Pillows. Each pillow has a handy loop at the top to make attaching it to your bag a breeze! Outer shell is made of polyester and elastane. Pillow filling is made of expandable polystyrene beads. Handwash only. Pillows measure approximately 10" W x 11" L x 4" thick.