... -resisting,anti-fouling,no air leakage PVC Double Inflatable Mattress Air Bed Specification Size: 203×185×22cm / ... on it, and never were there air run to one side. 2.Comfortable and Warm: According to "ergonomic" principle design, ... carbon toughening polymerization PVC, the surface planting on polymer corduroy, uses International first-class stitched process. Photo PVC Double Inflatable Mattress Air ...