I think we got them at Walgreens and that they’re called something like “Travel Eze.”
You could also listen to an audio book and if your siblings don’t want to listen to it, you might try listening to it with headphones or an iPod or other such things.
“She could see the glow of the fire, but she could not feel its warmth. It was like gazing in at a window, from the cold outside, at a forbidden room she could never enter again.” -- Elizabeth George Speare,