Compatible with ï¾ Keurig 2.0 &1.0 Brewing systems ï¾ Reusable K-Cups work in the following Keurig 2.0 Brewers: K300, K350, K400, K450, K500, K550, K600,K650. ï¾Reusable K-Cups are compatible with Keuring 1.0 brewer models too: B30, B31, B40, B50, B55, B60, B66, B70, B77, B100, B130, B135, B140, B145, B150, B155, B200, B3000, K30, K31, K40, K45, K50, K60, K66, K70, K77, K100, K130, K135, K140, K145, K150, K155, K200, K3000 Using Steps: Step 1: Open the lid and fill with coffee. Step 2: Tamp the coffee grind. Step 3: Close lid firmly. Step 4: Place the capsule in the machine. Step 5: Turn on the machine as normal. Step 6: Brew and enjoy. Package: 3 * Keurig Capsules (Free Gifts : 1 * Plastic spoon and 1* Brush) We wish you enjoy your DIY drinking life. Any problem, please contact us for help. We are committed to offering coffee lovers a full green and save choices. Please be noted that we are open to your suggestions of your user experience to improve our brand. Return and Refund is accepted if required.