Essentials Cards are a blend of 50% Silk: 50% Merino Wool and come in 10 yd skeins. This is a smaller quantity than the Essentials Skeins, making it more cost-effective for pieces that use lots of small areas of various colors. This yarn is suitable for 18 Mesh. The area covered per card is: 4 sq inches 18 If we are currently out of stock, or you need more than we have in the same dye lot, we are happy to create a special order. Email your request to info@creativeneedlearts.com Cards contain 10 yd of thread, which will cover 4 sq inches on 18M.