Easy to use! No removal of coffee machine parts needed. For Keurig single cup brewers. Benefits - Use your own favorite coffee. No need to remove K-Cup portion pack holder assembly. Less cost per serving compared to individual K-Cup portion pack. Dishwasher safe. 100% BPA free. Easy to use. Reusable. Reduces waste compared to individual K-Cup portion packs. Use your own favorite coffee! Not Compatible with Keurig Models B30, B130, B150, B155, Vue and all Keurig 2.0 models. www.rocklineind.com. Made in USA.