Attack ZERO Perfect Stick Laundry Detergent, Pack of 7 Unprecedented! Concentrated cleaning power that surpasses liquids ※ Super clean even for pillowcases and collars/sleeves. Cleansing, deodorizing, and antibacterial ※ Stick detergent made with 100% concentrated powder of effective ingredients. Just toss it in! No need to measure. Easy to pinch and take out, and doesn't stick. Also prevents mold in the washing machine tub※2. Features a safety lock zipper to prevent accidental ingestion. Rinsing once is also OK.