"Bubble" is the correct term. It looks like there are chunks of plastic broken (or drilled?) off, on the top and side edges. Still, these don't turn up that often, so I bet someone needs it.
"Bubble" is the correct term. It looks like there are chunks of plastic broken (or drilled?) off, on the top and side edges. Still, these don't turn up that often, so I bet someone needs it.