These bags are designed to fit the Riccar Moonlight, and Sunburst canister vacuum cleaners. They also will fit the Simplicity Jack & Jill compact canister. These bags are the best quality cloth HEPA type bags. They are HEPA certified, and will filter 99.97% of all dust, down to .3 microns. Save money and by buying generic type bags. Compare to Riccar genuine bags at $19.99. 6 bags per pack.