From the product description, check product page for current description, price and availability:

This product is guaranteed to have a 99% minimum purity. Sodium Percarbonate is an odorless, granular chemical that has many uses, with the most common uses being a home and laundry cleaner. It is a key ingredient in most household detergents such as OxiClean and Tide. Shipped in 2 x 10lb resealable bags.

From HBF: Make sure the components you use are compatible and rated for your intended application.  Contact manufacturer with questions about suitability or a specific application.  Always read and follow manufacturer directions.