blister

A type of retail packaging that looks like a transparent bubble glued or taped to a cardboard backing.

"He was selling a vintage star wars figure but the blister was coming unglued from the cardback"

PBH

Polybag with Header

PBH is the common catalog abbreviation for "Polybag with Header," the retail packaging type that resembles a plastic (usually transparent) bag holding a product, hanging below an attached cardboard tag, often folded over and stapled, usually with a punched hole or hook for hanging on a display.

"We need 1 gross units in PBH, since it's cheaper than blister"