Riller & Fount Cookie Criss Cross Tank in Black. - size 0 / XS (also in ) Riller & Fount Cookie Criss Cross Tank in Black. - size 0 / XS (also in ) 95% modal 5% spandex. Dry clean only. Back crisscross straps. RILL-WS246. H16 COTP. Back to basics this fall with Riller & Fount. Simple silhouettes and dramatic colors are perfect for any season.