Gain flings! laundry detergent pacs are packed with 50% more scent than Gain liquid laundry detergent. Armed with the stain-fighting power of Oxi and Febreze, they give you nothing but great, clean, amazing-smelling laundry. Use with any laundry set-up, because Gain flings! Pacs dissolve in both hot and cold water and are HE compatible.