Wide Compatibility: Automatic vacuum cleaner dust bag is compatible with robot vacuum cleaners for i & s series i7 (7150), i7 + i7Plus (7550), s9 (9150), s9 + s9 Plus (9550), i6 + (6550). It can absorb 99% of dust and debris, effectively helping to prevent secondary pollution. Environmentally friendly materials: High-quality blown fiber filter layer and non-woven fabric, plastic parts are made of recyclable PP materials. Non-woven fabrics can be decomposed within 90 days under natural conditions and will not pollute the environment. Efficient accessories: Our compatible replacement accessories ensure that the collected dust remains in the vacuum cleaner. Each bag can hold 30 pieces of trash and debris, which is easy to handle and does not accumulate dust, freeing your hands for a week Upgrade Waterproof Improved sealing technology and high-quality materials can reduce dust leakage. High-quality dust bag replacement parts remove dust slowly, maintain suction power for a longer time,