LM60: Size - 26" x 26" x 60 sheets Replacement mat for the Large Set (LS60). Each mat is die cut and is 60 sheets with the proprietary S-N radiused corners.
TM2626: Size - 26" x 26" x 50 sheets A slimmed down version of our premium LM60. 50 slightly thinner sheets instead of 60. Square corners instead of round. Green tabs instead of Blue/White and what a price!