eWonderWorld Foam Play Mat Set of 36 pieces BLACK Water Proof Anti Fatigue Work Out Training Floor Size: 12 x 12 (36 pcs). An area of 36 square feet Type: Foam Mat, Playmat, Play Mat, Play Area, Soft Tiles Color: Black Material: EVA Foam Gender: Boys and Girls Age: 3 and up Feature: Foam Mat, Playmat, Equipment Mat, Treadmill Mat, Yoga Mat