Fitness Mad Core Fitness Plus Mat 15mm with eyeletsFitness Mad's Core Fitness Plus. Made from the same material as the Core Fitness mat, the Plus is 33% thicker at 15mm. Due to the increased size this mat is not suitable for carrying to and from classes and so it comes flat packed and does not include a carry strap. This is an ideal Pilates or exercise mat. Core Fitness Plus Mat 15mm Eyelets. Identical mat to the Core Fitness Mat only thicker. Supplied flat packed with rubber eyelets for hanging.