1.Good air-tightenss, 2.Somatological design good for relaxing vertebra 3.Portable,Durable 4.Easy for cleaning,maintaining Product Picture Product detail information Material: PVC/TPUDesign:home ,hotel, sap-roomThickness of material:0.25-0.4mmProduct source: no stock, ordering as soon as productionProduct advantageFeatures 1.Scientific theoryGS series Spa water beds can automatically adjust to ...