Mulitfunctional Silicone Espresso Coffee Knocker Silicone Coffee Bin Coffee Knock Box. FDA, REACH, RoHS Certified: Meets international safety standards for food contact materials. Organic Silicone Material: Made from high-quality organic silicone for durability and safety. Eco-Friendly and Biodegradable: Environmentally friendly product that is biodegradable and reusable. Multiple Color Options: Available in Black, Grey, Coffee, and Green colors. OEM and ODM Services: Full customization, minor customization, and flexible customization available. Fast Lead Time: Peak and off-peak season lead times are within 15 workdays. 100% Quality Inspection: Every finished product undergoes visual and function inspection. Portable and Durable Design: Square shape design suitable for household and industrial coffee making.