Durable and breathable material: Our washing machine laundry bag is made of eco-friendly polyester, and the fine mesh design allows soap and water to flow through easily, filtering dust and dirt easily. It prevents lint, prevents clothes from tangling, pitting or dragging in the washing machine, separates different colors and minimizes the chance of color interpenetration. Hidden Zipper Design: The protective zipper provides extra protection to protect your most sensitive zippers from force, tangles and tears when washing, and the mesh design allows soap and water to drain easily for optimal cleaning. The zippered underwear storage bag protects you during washing Perfect Combination: 4 Laundry Bags for all your laundry needs. Especially suitable for delicate bras, t-shirts, socks, pants, socks, gloves, etc., clean and hygienic Reusable: Reusable and breathable polyester fiber material, you can wait for it to be clean and dry after each wash, then store it and reuse it next time. Perfect organization helper: Not only for washing and drying, but also as a daily or travel bag to hold clothes, bras, shoes, socks, underwear, etc. Perfect for neatly packing clothes on the go. Laundry nets are also great storage bags for toys and sporting goods. Quantity delivered: 4 pieces