Hand thrown pottery made in Stayner, Ontario. Established in 1975, Leishman stoneware of varied colours and design are oven proof, dishwasher and microwave safe. Each piece of Leishman stoneware is handcrafted using all natural ingredients. It is then kiln fired to 2300F with food safe glazes. These squat mugs nestle comfortably in your hands while you sip your tea.