What is wax paper?

He is a grandfather, and as such, he wishes to introduce his granddaughters to the simple pleasures of life. Like riding to the dump in the truck. “We’re going where?” the girls asked, with an overabundance of sophistication. “To do what?” they wanted to know, with some impatience. “Hop in,” he said with authority. The truck has no air conditioner so the girls were told, “Roll down those windows s…