The 2 larger placemats are 25.3cm x 17.5cm.The 4 smaller ones are 17.5cm x 17.5cm.The top part is made of metal and there are some corrosion tarnish marks, There is wear and light scratches on the placemats.One of the smaller placemats has a lot of corrosion marks and wear.One of the smaller placemats has a mark on the cork on the back.The box has some wear.