Multi-purpose hair removal: washing machine lint balls can effectively pick up various hair, lint and other dirt, clean clothes, towels and other items and soften them. Effectively reduce clothes tangling and shorten washing machine drying time. Safe and non-toxic: This durable washing machine wash ball made of non-toxic materials that effectively separate clothes, natural soft fabric, reusable, hypoallergenic, child safe and self-cleaning. Reusable : After washing, you can remove easily the lint and hair on the washing balls. Try to store it in a dry place and keep it dry and sanitary. Can be reused many times. Recommended dosage: when washing soft garments such as underwear, t-shirts, shirts, etc., it is recommended to use 4-6 detergent balls. When washing tough clothes such as jackets and pants, it is recommended to use 7-9 wash balls. Luff ball washing machine: Remove pet hair from clothes during washing to avoid re-washing. Save detergent, water and time. Shorten drying time, reduce wrinkles in your clothes to make your laundry look cleaner and brighter, and extend the life of your clothes and towels.