WIDELY COMPATIBLE: Vacuum cleaner dust bags compatible with iRobot Roomba i3+ (3550), i3 (3150), i7+ (7550), i7 (7150), s9+ (9550), s9 (9150), i6+ (6550), i8+ (8550), E5, E6, E7. Compatible with all Clean Base Automatic Dirt Disposal models. VALUABLE PACK: Includes 12 automatic dirt disposal bags. Each bag holds up to 30 bins of dirt and debris. NO TOOLS REQUIRED: The installation method is the same as the original, snaps into place for quick and effortless replacement. Easy to install and convenient to use. HIGH PERFORMANCE: Compared with traditional cleaning methods, the dirt bag has strong sealing properties and allows for easy disposal without releasing dust. ENVIRONMENTALLY FRIENDLY: Made of high-strength, environmentally friendly material. The non-woven bags can decompose within 90 days under natural conditions and do not contaminate the environment; plastic parts are made of recyclable PP material.