Personalize your mat by writing your name with a permanent marker (Sharpie pen suggested) on the white strip beside the T MAT PROTM logo. * Measures approximately 21 x 30 inches * Rolls up to fit easily to transport in a suitcase or backpack. * Bright colors identify your transition space at a triathlon. * Clean-up is a breeze. Simply wash the mat with water. Apply Shout stain remover on tough stains.