4″ Foam MediWedge™ Mattress Bed Wedge Sale! 4″ Twin $190.00 $170.00 Read more Sale! 4″ Twin XL $200.00 $180.00 Read more Sale! 4″ Full $240.00 $220.00 Read more Sale! 4″ Queen $270.00 $240.00 Read more Sale! 4″ King $400.00 $360.00 Read more Sale! 4″ Split California King Bed Wedge $400.00 $360.00 Read more