Drum Kit Mat Manufacturer in China Supplies Penguin Band Mat, 9 Built-in-demos, 9 Instruments, MP3 Plug-in, 13 Keys, Drum Mat, Music Mat.Product Specifications: Series: Instruments Name: Penguin Band Playmat SLW9880 Mat Size: 90 x 62 cm Package Size: 47 x 7.5 x 33 cm Battery: 4 x 1.5V âAAâ (not included)Information: 13 keys 9 instruments 9 built-in-demos MP3 plug-in Adjustable volume Touch sensitive playmat