For types of wares, there were mainly jars, pots and a small one-legged tray for one person, especially the pot was not general ware during the Jomon period and it is believed that pots became widespread as storage container, as rice became the main food supply.
器種として主要なものに甕・壷・高坏があり、特に壷は縄文時代には一般化しなかった器種で、弥生時代になって米が主要な食糧となったため、貯蔵容器として定着したと理解されている。