INTERLOCKING EVA MATS SOFT PLAY MULTIPURPOSE GARAGE GYM HOT TUB POOL UNDERLAY
4PK Black/Yellow Interlocking EVA Mats. You can even take these with you - take them apart, put them down to 24" x 24" (600 x 600mm) (easy to fit into the car, or under your arm then), and take them camping, on picnics, etc.