Large capacity - includes 4 30x40 inch laundry bags. Breathable mesh material - These mesh laundry bags used in washing machines are made of polyester material, which is sturdy enough for long-term use. The tight and fine mesh and small holes easily filter out dust and dirt. Zipper closure - Zipper closure can secure personal items in laundry bags, especially when the washing machine is located on different floors or buildings, these laundry bags can prevent items from being lost on the way to the washing machine. Multipurpose - This mesh laundry bag is the ideal choice for sorting laundry in university dormitories, apartments, and homes. It is also a great storage bag for organizing beach toys and camping supplies. Provide comprehensive protection for your clothes - a perfect laundry protector that can prevent washing machine wear and tear. Keep your delicate clothes from getting tangled, hooked, or deformed in the washing or drying machine.