Call the factory customer service and they can send you the mattress drawings via email.
They also offer at the factory store great 600 thread count custom sized to fit sheets that fit better on our custom 8" mattress than the 7" factory mattress.
WBCCI Life Member 5123, AIR 70341, 4CU, WD9EMC
TV - 2012 Dodge 2500 4x4 Cummins HO, automatic, Centramatics, Kelderman level ride airbag suspension, bed shell
2014 31' Classic model 30 twin beds, 50 amp service, 900 watt solar system, Centramatics, Dill TPMS, disc brakes, 16" tires & wheels