Otsuka Kagu's Artena, the highest-grade Sanssouci box sheets. The fabric uses "Egyptian extra-long staple cotton," one of the world's three major cottons. It's woven at high density with a two-ply yarn made by twisting two threads of Egyptian extra-long staple cotton, resulting in a fine, uniform texture and a pleasant feel. Retail price: ¥47,800 Sanssouci Bed Box Sheet Artena Color: Ivory Size: Double 140 x 195 Completely unopened.