Wide CompatibilityLivingAid reusable k cups can be universally compatible with Keurig 2.0 & 1.0 Brewers: K15, K31, K40, K44, K45, K50, K60, K66, K70, K77, K100, K135, K140, K200,K300, K350, K400, K450,K500, B31, B40, B44, B50, B60, B66, B70, B77, B100, B140, B200 K-Elite, K-Select, K-Cafe, K-Compact, K-Classic K50/K55, K-Latte etc. BUT NOT compatible with keurig mini/plus, keurig K-Supreme/Plus/Smart.Durable, Reusable & BPA-FreeLivingAid reusable k cups filters are made of 304 stainless steel mesh with 100% BPA free ABS shell, ensuring complete safety while boasts a durable design that'll last. It is dishwasher safe and can be reused for long time, reducing waste on disposable pods.Fine Mesh for Best FlavorThe micro mesh of our reusable k cups are perfect size to hold coffee grounds well without leaking or getting even though fine grinding coffee grounds. Resulting in a stronger flavor and aroma each time you brew.Over-Valued Set of 3For the best value, this 3-pack of reusable K-Cups bring great convenience when you need prepare coffee for your whole family and guests. There would be no waiting or cleanups in between. In no time, youll be enjoying a cup of hot, delicious coffee.