Universal Compatible: CASABREWS k cup reusable coffee pods are compatible with Keurig 1.0 coffee machines, and also work with Keurig K-Classic, K-Elite, K-Latte, K-Cafe, K-Select, K-Compact, and Breville K CUP, Mr. Coffee K CUP, But NOT Compatible with: Keurig 2.0 coffee machine, Keurig K-Supreme/Plus/Smart, K-Slim (See full detailed list picture). Eco-Friendly & Saving Money: K cup coffee pods are made of high-quality stainless steel, recyclable for permanent use and save money, when using CASABREWS k cup coffee pods reusable, you can reduce the use of numerous paper filters and plastic coffee capsules. Contribute to protecting the environment. Keep Coffee Flavor: The bottom and side walls of the reusable k cups are 360-degree perforated, allowing water to fully soak the coffee powder, fully retaining the coffee natural oils and flavors, ensuring delicious coffee brewing. The k cups reusable pods are a good helper for coffee lovers. Easy To Use & Clean: The reusable coffee filter adopts one-piece design, tightly sealed top cover to prevent coffee overflow during use. Add the desired amount of coffee grounds to the stainless steel k cup coffee pods for each use, simply pour the grounds into the trash after use and clean the reusable k cup filter with water. Our Promise To You: We are a US-based company and we care about our customers! If you're not happy, we're not happy. We want you to buy our reusable k cup coffee filters with confidence, We're here to help! please let us know if you experience any problems with our product.