The 2024 Prime Time Sanibel 3952FBWB offers the biggest fifth-wheel bunkhouse floor plan with four bunk beds, a desk, a half bath, and plenty of space to play inside the room, which is even more comfortable for pets. Also, with a length of 46 feet 2 inches, the Sanibel 3952FBWB is among the biggest 5th-wheel campers on the current market.