This is a set of 5 vintage coasters made by Jet Line in Japan during the 1970s. The coasters are made of glass and bamboo and feature a retro boho MCM style with dried and pressed butterflies that are each different. The coasters are round with a diameter of 3.5 inches and a height of 1 inch. They are designed for all occasions and come in a medium brown wood tone. The set is handmade and weighs 1 lb. Stackable.