Reusable K Cups For Keurig, Reusable K CUP Coffee Filter Refillable Single K CUP for Keurig 2.0 1.0 BPA Free-4 pack Retail $8.99 Newest Cup Lid Design, Vast Compatibility For Keurig 2.0 And 1.0: K200, K250, K300, K350, K360, K400, K450, K460, K500, K550, K560, K15, K31, K40, K44, K45, K50, K60, K66, K70, K77, K80, K100, B31, B40, B44, B50, B60, B66, B70, B77, B100, B140, B200, As Well As fir these Brewers: K-mini, Keurig Elite, Keurig Select, Keurig Ultimate, Keurig Platinum. Breville K CUP. But not Compatible with: K-mini plus, K-Duo/plus, Keurig K-Supreme/Plus/Smart, K-Slim More Sturdy and Tight: MaxRona Reusable K CUP are made with High Quality 304 meatal mesh. This reusable K CUP have a sturdy construction and tight lid, you will taste the great coffee you never have! Environment and Economical: We can save most of money from using MaxRona K CUP reusable instead of the more expensive regular K CUP. The refillable k cup with a tight lid which make sure the reusable K CUP no leak