inflatable walking drum roller, fun on water material: 0.8mm pvc ... : CE/UL/SGS OEM:acceptable Best-selling inflatable walking drum rollerType: inflatable rollerPlace of origin: Guangdong, China(Mainland ... or return to the factory directly for maintenance.The cleaning and collection:1, Cut off the power, open ... sure to drain the water and air.2, Do cleaning, use detergent to clean the stain, wipe away ...