Compatible vacuum cleaner bag is specially designed for irobot Roomba vacuum cleaners.They are suitable for irobot Roomba i7, i7+/plus, S9+/plus, E5, e6, E7, S9 (9150), S9+, S9 plus (9550) vacuum cleaners.The irobot Roomba i7 vacuum cleaner bag can hold not only ordinary household dust, glass, dust, pollen, gravel, leaves and liquids, but also excretions of fungi, mold spores, dust mitesin bacterial form and fine allergic dust.For allergy sufferers, this means reducing fine allergy dust in the ambient air.Materials - unlike ordinary vacuum cleaner bags, irobot Roomba i7 bags are made from 2 layers of non-woven fabric and 2 layers of fused bead fabric to ensure greater durability.It will not be soiled by garbagePointing inward.Additionally, there is an open/close door that prevents dust spills.The high-density non-woven fabric ensures that the vacuum cleaner bag is absolutely waterproof, will not be pierced by sharp waste inside and will not leak.Affordable price - we are giving away 10 irobot Roomba dust bags and we recommend replacing them every 2 - 3 months.This helps maintain effective cleaning of the irobot Roomba vacuum cleaner and reduces pollen and other allergens in dust, dust and air.