The color of gold with the color of any kinds of drink inside are harmonized beautiful. The surface of grass is performed a special processing to make the beauty. It is really good as a gift for your important person as well Your guest can enjoy with the grass and dishes in your lunch or dinner time.?Wash it with a tender sponge and synthetic detergent. Please avoid the use of the dishwasher. Please avoid the use of the microwave oven.