From the product description, check product page for current description, price and availability:

• BEER AND TEA BREWING – This dry hopper filter is suitable for both beer brewing and making compost tea, also can put into boil pot
• ADEQUATE SPACE – The filter can hold up to 2 ounces of leaves, you can add any hops to brew lighter or stronger beer according to your own preference
• BETTER CONVENIENCE – Easy to remove, a lot easier to clean and sanitize compared to beer cloth bags
• GREAT FILTRATION – Prevents hops from flowing into beer to bring out the best in taste
• SPECIFICATION – 2.76 x 11.81 inches. Made of stainless steel and 300 micron mesh. Fits 5 gallon keg