Mirror Tiles Decoration 3"x3" Silver Coated Bulk 250 Pcs Lot Sales Art, Craft, Decoration Have FUN! Artcraft only sold by Happy Starla 250 pcs silver bulk coated 3x3" square mirror glass - Only sold by Happy Starla Have fun =) Great for decoration , craft etc - Silver coated backing for a great reflection I wish I can be more artistic maybe you are! 3mm thickness!