Kids Best Xmas Gift Cool Touch Play Keyboard Musical Music Singing Gym Carpet Mat By FEITONG PVC + electronic components Through the music and the voice of the carpet can stimulate baby's ability of logic Dimensions:72cm x 28cm - 28.35inch x 11.02inch Material: PVC + electronic components, Power supply by 3xAA(not include) Through the music and the voice of the carpet can stimulate baby's ability of logic Note: Can't clean it by water directly