Helen Masiello stopped in to the Claire's in Boston's Downtown Crossing to pick up treats for her granddaughter's Easter baskets.

"You just assume it's okay," said Masiello.

But according to a new report, it may not be.

The Ecology Center and The Alliance for a Healthy Tomorrow have released a study showing more than half of inexpensive jewelry they tested from stores like Claire's, Walmart, Target and Forever 21 may contain dangerous levels of cancer-causing chemicals like cadmium.

"These are items that children are touching, they may be putting them in their mouths," said Elizabeth Saunders of The Alliance for a Healthy Tomorrow.

According to the report, in Massachusetts, all 9 pieces of jewelry bought at Claire's, Walmart and Burlington Coat Factories from Holyoke to Falmouth contained chemicals of concern. Four had high levels of arsenic, bromine, mercury and lead.