Canvas. Pastel chalks, acrylic on the sand texture, covered with varnish and finished with relief paint.

The original artwork can be purchased from a number of sites:
my personal site: http://www.elenakotliarker.com/index.php
my online Etsy shop: http://www.etsy.com/shop/LenaKotliarker
my online eBay shop: http://shop.ebay.com/lena_kotliarker/m.html