The perfect combination of beauty and durability: These revolutionary giant chess pieces are made from a rotational molding process that allows each chess piece to be fully formed into a single piece of plastic with a stunning level of detail, beauty, and durability. Made from a strong polyethylene resin, these are the most durable giant chess pieces made. Extra strong UV-4 protected against fading. Stain-resistant additive to protect your giant chess set and keep it beautiful.