【Large Capacity】Our vacuum cleaner bag can effectively maintain suction power and better protect your robot. Each bag can hold up to 30 boxes of dust and debris compared to traditional cleaning methods. Easy disposal without dust cloud. 【Highly Efficient Performance】Our vacuum cleaner bags designed with 4-layer filtration, include 2-layer meltblown cloth and 2-layer non-woven fabrics, which effectively block more than 99.9% of dust and micron particles and debris.