30 Ray-core sip panels. 24 on center studs built in. Panels are 4x8 with 5.5 inches thick poly insolation rated at R42 value. The panels are not used. They have been stored since taking off the truck. Can talk about shipping. The panels only weigh about 47LBS. Very easy to move around with two people. This site is not letting me put pictures up. I have pictures. Just email me and I can send them directly to you.