... )Composition:(3) High quality combined fabric(4) High elasticity bonnel spring, Ø2.3, optional row count: 252 (12*21), 312 (13 ... *24), 336 (14*24), 364 (14*26). Consistent spring diameter and even waist diameter provides increased stability and supporting ... both are available (9) OEM is offered compressed pillow top spring mattress 6220#