WIDELY COMPATIBILITY: Vacuum cleaner dust bags compatible with iRobot Roomba i3and(3550) i3(3150) i7and(7550) i7(7150) s9and(9550) s9(9150) i6and(6550) i8and(8550) E5 E6 E7. Compatible with All Clean Base Automatic Dirt Disposal models. VALUABLE PACK: Includes contains 12 pack of automatic dirt disposal bags. Each bag holds up to 30 bins of dirt and debris. NO TOOLS REQUIRED: The installation method of the kit is the same as the original kit, snap into place for quick and effortless replacement. Easy to install and convenient to use. HIGH PERFORMANCE: Compared with the traditional cleaning method, the dirt bag has strong sealing property, easy disposal without the cloud of dust. ENVIRONMENTALLY FRIENDLY: Made of high-strength and environmental protection material. The non-woven bags could be discomposed in 90 days in natural conditions and will not contaminate the environment the plastic parts are recyclable PP material. About Shipping: All items will be shipped within 3 business days after the payment is received. Most times you will receive them within 8-12 days then. The specific delivery time is depend on circumstances.Any questions, please feel free to contact us During the shopping process, if you have any questions, please feel free to consult us, we will reply you within 24 hours, wish you a happy shopping Thanks for your cooperation and we'll make you feel satisfied.