Camper shell. I believe this was made by ARE, but I don't see a manufacture plate. Has a ladder rack. Some cosmetic wear, but solid. Dimensions are 75" by 63" wide. Chat GPT states it would most closely match older compact/mid‑size truck beds—especially early Toyota, Nissan, Mazda, and Ford Ranger short beds—because their bed widths were typically 60–63 inches and lengths around 72–74 inches.