Mainstays Interlocking Foam Mat - Anti-Fatigue

Selling a Mainstays Interlocking Foam Mat. It provides anti-fatigue relief and is easy to assemble. Each tile measures 24.4 in x 24.4 in x 0.47 in (62 cm x 62 cm x 1.2 cm). 4 pcs each set $12 set 2 sets still in original packaging and 4 sets opened. Opened one's $10 each set.