[NEW CUP LID DESIGN, Wide 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 the following brewers: Keurig Elite, Keurig Select, , Keurig Ultimate and The Keurig Platinum. Breville K CUP, Mr. Coffee K CUP. But NOT compatible with: Keurig mini, Keurig K-Supreme, K-Supreme Plus, Keurig K-Supreme Smart. [Stronger and tighter]: Reusable K CUPs are made with high quality 304 meat mesh. This reusable K CUP has a sturdy construction and leak-proof lid, you'll taste the great coffee you've never had. K CUP. The refillable K CUP with a leak-proof lid that ensures the reusable K CUP does not leak and keeps your home clean. [Easy to use and clean]: Reusable K CUPs are very easy to use, it just fill in the coffee grounds you need. in the reusable K CUP, after use, just throw the grounds in the trash and wash the