Riller & Fount Cookie Criss Cross Tank in Mauve. - size 1 / S (also in ) Riller & Fount Cookie Criss Cross Tank in Mauve. - size 1 / S (also in ) 74% rayon 21% poly 5% spandex. Dry clean only. Back crisscross straps. Slub knit fabric. RILL-WS247. H16 COTP. Back to basics this fall with Riller & Fount. Simple silhouettes and dramatic colors are perfect for any season.