Best quality with best price The most powerful factory in China Factory direct custom-made Fast delivery 1. 100% High density EPS foam core 2. Foam density:25kg/cbm 3. Customized size and color 4.Certificate:SGS.ASTM 1 Our product series: spa cover ,outdoor spa cover, hot tub cover ,bathtub cover, swim spa cover, swimming pool cover ,spa pool cover ,wooden spa cover ,portable spa cover ,spa cover ...