This Weller Medium Soldering Work Station Mat has the following specification:

Size: 455 x 300mm (17.5 x 11.75in)

The Weller Soldering Work Station Mat is made from moulded, anti-slip silicone. Protects your workspace from burns, resisting high temperatures up to 300°C/570°F. It also helps to keep your space clean and tidy. Includes a ruler, individual compartments and 4 magnetic areas for storage.