A woman wearing a face mask walks past a Starbucks cafe in Toronto, Canada, on Sept. 14, 2020. Masks or other face coverings are mandatory at Starbucks across Canada Starting Monday. (Photo by Zou Zheng/Xinhua)

A notice of the mandatory mask requirement for customers is seen at a Starbucks cafe in Toronto, Canada, on Sept. 14, 2020. Masks or other face coverings are mandatory at Starbucks across Canada Starting Monday. (Photo by Zou Zheng/Xinhua)

A notice of the mandatory mask requirement for customers is seen at a Starbucks cafe in Toronto, Canada, on Sept. 14, 2020. Masks or other face coverings are mandatory at Starbucks across Canada Starting Monday. (Photo by Zou Zheng/Xinhua)

A customer wearing a face mask buys coffee at a Starbucks cafe in Toronto, Canada, on Sept. 14, 2020. Masks or other face coverings are mandatory at Starbucks across Canada Starting Monday. (Photo by Zou Zheng/Xinhua)

Customers wearing face masks walk into a Starbucks cafe in Toronto, Canada, on Sept. 14, 2020. Masks or other face coverings are mandatory at Starbucks across Canada Starting Monday. (Photo by Zou Zheng/Xinhua)

A customer wearing a face mask walks into a Starbucks cafe in Toronto, Canada, on Sept. 14, 2020. Masks or other face coverings are mandatory at Starbucks across Canada Starting Monday. (Photo by Zou Zheng/Xinhua)