Fit Perfect: The 6 pack replacement dust bags are compatible with Amarey A90+ self-emptying robot vacuum It is specially customized and works as the same with the orginal Large Volume: The dust bag has a large capacity which can hold 3L debris It can free your hands about one month for the normal use The dust bag adopts a 3-Layer filtration system that captures up to 99 99% of particles and prevents dust from being released back into your homeMaterial:clothcolour:WhitePackage Contents:6 x Replacement Dust BagsOnly the above package content, other products are not included Note: Light shooting and different displays may cause the color of the item in the picture a little different from the real thing The measurement allowed error is +/- 1-3cm