Sanderson Delph Blue Blue Sessile Leaf Motif Pencil Pleat Curtains. Floral. Printed. Luxury. Printed. Polyester. 100% Polyester. Printed. Pair of Curtains. Lined. Pencil Pleat. The unusually named Sessile Leaf is where a leaf blade connects directly to a plants stem, as would be the case in Sandersons oak leaf motif. With a screen-printed appearance and hand-crafted look, stylised leaves create a contemporary stripe effect on an archive-inspired spotted ground. Luxury. Relaxed.