【High Capacity】A huge 3L capacity provides up to 60 days of hands-free cleaning (based on testing in the dreame lab . Performance may vary in different environments). 【Locks in Dust】The dust bag is thoroughly sealed as soon as you take it out of the base to prevent spilling and keep dust from floating up into the air. 【Easy to Replace】Just remove the dust bag, toss it out, put in a new one. It's that simple. 【Get the Best Clean】 In order to maintain cleaning efficiency and extend the life of the machine, please be sure to replace the dust bag regularly according to your usage. 【What You Get】3 x Dust Bags