The Mini mesh of our reusable k-cups is the perfect size to hold coffee grounds well without leaking or leaking, even with finely ground coffee grounds. Stainless steel reusable coffee pods are made of long-lasting and durable stainless steel metal material. It can withstand years of use. Our all-in-one reusable coffee pod with built-in filter has everything you need. No additional adapters, parts or tools are required. Unlike pre-filled single- coffee pods, you can enjoy even more for different flavors and aromas by refilling your own reusable coffee pods. Unlike mesh filters and other built-in filters, paper coffee filters are a time-tested and proven for filtering the best coffee possible. Colour:silver+white+black Material:stainless steel + plastic type:1 Hole Size:about 5.28 x 4.39cm Package Contents: 1 x K Cup 1 x Spoon 1 x Brush Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.