Squiggle observes that her black gymnastics leotard is stretchy
“That’s because it’s got lycra in it” I say
“What’s lycra?”
“It’s like elastic, it’s stretchy.”
“What’s it made from?”
“It’s a polymer. It’s made from chemicals”
“What’s chemicals?”
“Um, stuff, material, plastic…”
“and lycra” adds Hub helpfully.
“What’s lycra?”