The Sweet Leaf Tea company has issued a voluntary recall for 1.5 million bottles of iced tea because the product could possibly contain glass fragments.

According to the company, the recall was issued as a precautionary measure as a result of glass breakage during the filling process.

The recall includes six flavors of 16-glass bottles distributed between Feb. 27 and Dec. 6. The affected flavors include: raspberry, half and half lemonade tea, original, green tea with citrus, peach and mint and honey.

Sweet Leaf says it has received four complaints of glass in the product. No injuries have been reported.