Gigantic Music Mat Supplier in China Provides Super Gigantic Keyboard Mat, Piano Mat, MP3 plug-in, 9 Instruments Tone, 5 Modes, Adjustable Volume.Product Specifications: Series: Instruments Name: Super Gigantic Keyboard Playmat Item SLW988 Mat Size: 260 x 74 cm Package Size: 86 x 11 x 40 cm Battery: 4 x 1.5V âAAâ (not included) Information: 5 modes to select: record mode, play back mode, DEMO mode, play mode, tone mode 9 instruments to change tone MP3 plug-in Adjustable volume Touch sensitive playmat