(4)TMat: Size - 14" x 23" x 50 sheets; 4 mats per box A 4 pack of Trac Mate replacement mats for your TMSet. Each mat has 50 sheets of performance enhancing TRACTION! With this 4 Pack of mats, you shouldn't have to worry about running out of sheets during the season. Just store your extra mats in the box, the box flat and out of sunlight. For more information on storing your mats click here.