Main Features: WIDE COMPATIBILITY RANGE -- These Keurig compatible reusable K-Cups will fit most Keurig coffee makers, including Keurig B31, B40, B44, B60, B50, B66, B70, B77, B200, B140, K15, K31, K40, K44, K45, K50, K60, K66, K70, K77, K100, K135, K140, Breville K-cup, Mr. Coffee K-cup , and Cuisinart K cup. Not compatible with I Coffee machines. DURABLE AND TIGHT -- The refillable Keurig-compatible K-cup from Amerteer has a sturdier, more rigid construction and tighter lid seal so that you will never have another coffee-ground-blowout mess ever again! The micro-etched stainless steel mesh is the perfect size to brew even fine grinds of coffee without leaking or getting clogged. ECO-FRIENDLY AND WALLET-FRIENDLY-- Allows for up to 80% savings by reusing one pod instead of buying disposable K Cup coffee pods. Huge reduction in landfill waste too! 100% MONEY BACK GUARANTEE -- If for ANY reason you are not satisfied with your reusable compatible K-Cup, just send us an email and we will send you a replacement or full refund! That's the K&J Money Back Guarantee! MORE DRINK VARIETY-- Brew the things that you'll never find in a pre-made K-cup, like your favorite fresh-roasted Kona coffee or a toasty, clean genmaicha green tea. Specifications: Type: Reusable Filter Cups Item Weight: 0.19 lb Shipping Weight: 0.19 lb Material: Stainless steel Color: Black Quantity: 6 PCS Shape: Basket Package Includes: 6 x Reusable Filter Cups Compatible with Keurig K-Cup Coffee Machines Save Money and Reduce Waste by Using Your Own Coffee Refillable and Reusable Coffee Pod Capsules