Travel Chess Set Metallic ColorsPLA Chess is made in sunny San Diego, California. These chess pieces have a sleek, sophisticated appearance, putting a modern twist on a traditional game. All pieces are made with a high quality, biodegradable PLA material. Pieces are magnetized which helps with moving them around. But the best thing is that the pieces self position when you flip the board for a new game! Like magic! All pieces have individual spaces so they don't make too much sound