Keep your dry foods fresher for longer with our innovative Stainless Steel Coffee Storage Containers. Choose from 2 versatile sizes: 17oz (500ml) S-size, 3.94" x 2.83", ideal for coffee beans and tea leaves. 30oz (900ml) M-size, 3.94" x 4.81", suitable for grains, nuts, and dry goods. Crafted from 304 food-grade stainless steel, these coffee containers safely withstand temperatures from -20°C to 100°C and are perfect for direct food contact. The unique vacuum-preservation lid features a transparent, dust-proof cover with a silicone seal. Simply press the center plunger to expel air and create a low-oxygen micro-vacuum environment, effectively blocking moisture and preventing leaks. The clear lid allows for quick content identification, making your pantry organization both efficient and stylish.