The burglary happened Saturday at 1:30 p.m. at Etkins One Hour Cleaners on the 4900 block of North Broad Street.
Police say the suspect entered the business through an unlocked back door.
Once inside, he got away with $100 cash, clothing from several customers, two folding chairs, a folding tent and five older cell phones.
The items are valued at $500.
He fled the scene on foot heading south on Old York Road.
The suspect is described as a male of unknown race, and 5'10"-6'0" tall with a thin build. He was wearing a dark hooded jacket, dirty grey pants, white socks and grey sneakers.
Police believe he may possibly be homeless.
Anyone with information on this burglary should call police at 215.686.TIPS (8477) or text a tip to PPD TIP (773847).
You can also submit an anonymous tip online through www.phillypolice.com.