The tannins are of good quality, and the design of the computer mat base is thick and intimate. When placed on the thigh, the touch is soft and comfortable. Let you enjoy working and relax... product manual: Dimensions: length 45.9cm x width 34cm x height 4.9cm Material: Tannin (denim) made in China. This product uses the standard of SGS formaldehyde and lead in glue and wood board, in line with European and American testing regulations. Let you use more peace of mind and peace of mind.