Toasted Stoneware.
Jar could also be a Bottle or a Vase. Celadon and tin white glazes mixed with marguerite which causes the glazes to run together revealing the toasty clay beneath. Inside is also pistachio green.
Dishwasher Safe but would recommend hand washing to avoid getting chipped.
Height: 56mm
Base Diameter: 62mm
Top Diameter: 42mm