SoftTiles Sea Animals Interlocking Foam Play Mat with Sloped Borders. Soft Flooring for Playrooms and Nurseries 78" x 78" (Light Gray, White) Large Play Mat (6.5&#039; x 6.5&#039;)- No Small Pieces Set Includes 8 Sea Animals Mats + 1 Solid Mat (2 Fish, 2 Turtle, 2 Crab, 2 Sea Horse) Sloped Borders- Goes from height of mat to ground to help prevent tripping 5/8&#039; thick- thicker than cheaper mats Nontoxic- Tested to EN-71 Safety Standards