It is a card or book form of samples, unlike normal catalouge which only may contain images, kartela contains samle of yarns, materials,
and depending on the material it may take severalnames from swatch card to any of below please see below Turkish sample maker preparing such kartelas for Producers.

http://www.kartela.com/pages/811087/index.htm
TEXTILE , YARN AND INDUSTRIAL SAMPLE SERVICE

We are your Samplemaker in Turkey . We can work with most types of material, such as, yarn, fabrics, leather, hometextile, denim, also industrial samples of vinyl, veneers, metals etc.We can provide custom-made products to meet all your needs from single hangers to the most complex waterfalls and from give away swatches to the largest pattern books .

Manufacturer of ; Pattern books, shade cards, swatch cards, ring books, swatch books, Single or multiple Hanger Waterfalls and other related samples. We can manufacture and supply all size of order and will provide the speedy, efficient and reliable delivery which is so vital to your business. Large or small, you receive the same high level of service.

We can arrange to product and send samples to your customer at Turkey. ( Please note we are not sales agency ) .

http://www.fabrics.net/outlet/Detail.asp?ProductID=3100