The iRobot Roomba Dirt Disposal Bag 3-Pack is designed specifically for iRobot vacuum cleaners, with a capacity of 1 L and made of fabric material. The bags come in a pack of 3 and are disposable, featuring a click lock for easy installation. Compatible with the BISSELL Style 7 model, these bags are lightweight at 0.2 lbs and provide an efficient cleaning experience for your home. With a power source of battery, these bags offer a convenient and hassle-free solution for keeping your home clean and tidy.