Pack economic bags since there is enough to keep one year with I think. The offer is advantageous especially as filters are included. The bags have a large enough capacity. Dust particles are very well contained in these bags. When the bag is full, it is closed by a valve which slides: very hygienic. This is an original product, quality is the rendezvous. Ordered for my vacuum cleaner BOSCH Free'e 2100W BSGL52130. It is the reference bags recommended by the manufacturer.
