This is a tilt-adjustable disc pad for trackball mice that reduces strain on your hands and wrists by adjusting the tilt to match your posture. 【Product Details】 Brand: ELECOM Product Type: Mouse Pad Product Name: ELECOM Disc Pad for Trackball Mouse, Tilt Adjustment, Black MP-TBM02BK Manufacturer: ELECOM Product Number: MP-TBM02BK Release Date: August 25, 2022 Product Contents: Length 126 x Width 120 mm Color: Black Product Type: Disc Pad ■Notes ・No box included. ・Please purchase only if you understand that this is a used item. ・Instant purchase is OK. ・Will be carefully packaged with cushioning material for shipping.