• [PERFECT FIT] -  12 Pack automatic dirt disposal bags are compatible with iRobot Roomba i & s & j Series i1 i1+ / i3 i3+ / i4 i4+ / i6 i6+ j6+/ i7 i7+ j7 j7+/ i8+ j8+/ S9 S9+Robot Vacuum Cleaners, compatible with iRobot All Automatic Dirt Disposal Models, perfect replace original bags.
• [HIGH-EFFICIENCY PERFORMANCE] - Made of 2-layer superfine melt-blown fiber filt-er layer and 2-layer non-woven fabrics，KGC vacuum bags for roomba can collect 99% of dirt.
• [UPGRADED SEALING DESIGN] - Upgraded sealing technology and premium materials to decrease 33% leakage risk. KGC quality i7 bags replacement parts will load slowly, maintaining suction longer to effectively protect your robot.
• [SELF-LOCKING AUTO SEAL COLLAR] - Once all dirt and dust is sucked into the vacuum, the Special Self-Locking Auto-Seal Collar ensures that these particles are never released back into the air once they are captured.
• [MAKE DIRTY WORK EASIER] - Each vacuum bag holds 30 bins of dirt so you don't have to think about vacuuming at least two weeks at a time. Easy disposal without the cloud of dust.