【Product packaging】The package contains 20 pieces vacuum cleaner bags, suitable for WD2 A2004 vacuum cleaner replacement parts, high compatibility and sufficient quantity to meet your daily robot cleaning needs 【High quality】Our vacuum cleaner bag is made of high quality 2-layer micro-filter paper and environmentally friendly materials, durable, not easy to tear, high density, powerful filtering function, can filter 99.99% of dust and dirt particles, providing you with clean air quality 【High Performance】Because this vacuum bag set has multiple filtering capabilities, it can effectively collect dust, and the dust cover can prevent dust from lateral leakage, which is very suitable for cleaning warehouses, garages, and basements at home 【Easy to Use】Our Replacement Filter Bags are easy to use, just flip the dust cover over to easily trap dust and dirt, when replacing, just remove the used vacuum cleaner filter bag and replace it with a new one, no assembly and disassembly very easy