This is a tea set by Studio Nova.
The dishes are mostly white with some yellow, green and blue. This set features a teapot, four cups, and a sugar bowl. Each item is an octagon shape and around the rim of the cups are rounded, they have a pattern around them that go from yellow boxes to white boxes with blue flowers. This pattern is known as Gingham Blue.
The teapot measures 5” from top to bottom without a lid, 6” wide measured on the bottom, and 10” from handle to spout.
The sugar bowl measures 3" from top to bottom without the lid, and 3.5" wide measured across the bottom.
The cups measure 4" tall, and 3.5" wide.
They were made in Thailand and come in good pre-owned condition.