The new highly reusable “CU Mask,” which the Hong Kong government has made available to residents for free starting Wednesday, comes in three sizes: one for adults and two for children.

A passenger wears a mask Friday on a bus in Hong Kong. The city’s government will begin distributing 30 million single-use masks to local families starting from the end of June.

Diners eat at a restaurant where the booths have been separated on April 29.

Residents cross a street in Hong Kong’s Central district.

Residents play volleyball on a beach on April 26.