Premium 304 Stainless Steel - Safe, Durable, and Plastic-Free Crafted from high-quality 304 food-grade stainless steel, these reusable K Cups are built for long-term use. With no plastic components, only a silicone ring for leak prevention, you can enjoy your coffee without worrying about plastic taste or breakage Wide Compatibility - Fits Keurig 1.0 Brewers Designed for seamless use with Keurig 1.0 models, including K-Mini, K-Express, K-Classic, K-Elite, K-Latte, K-Cafe, K-Select, K-Compact, K-Duo Gen 1, as well as SingleStream brewers like B40, B44, B50, B60 B66, B70, B79, B100 B135, B140, B145 B150, B155, B200 B1250, B1255, B3000,K40, K45, K75, K145 K150 Enhanced Brew Quality - Optimal Flavor Extraction The ultra-fine 360° mesh filter ensures an even water flow, allowing for perfect extraction and a rich, smooth, and full-bodied cup of coffee. To achieve the best brew, use medium-fine ground coffee and press the lid tightly to prevent leakage Eco-Friendly & Cost-Effective - Brew Sustainably Say goodbye to disposable pods! Our stainless steel K Cups are an eco-friendly alternative that reduces waste and saves you money. With the added bonus of a reusable stainless steel coffee scoop, you'll be reducing your carbon footprint with every cup you brew Easy to Use & Clean - No Hassle Brewing Simply fill the pod with your preferred coffee grounds, place it in your coffee machine, and brew your perfect cup! After use, rinse under running water or place it in the dishwasher for easy cleaning. The durable design is built for daily use and will last for years Premium 304 Stainless Steel - Safe, Durable, and Plastic-Free Crafted from high-quality 304 food-grade stainless steel, these reusable K Cups are built for long-term use. Wide Compatibility - Fits Keurig 1.0 Brewers Designed for seamless use with Keurig 1.0 models, including K-Mini,