Tribeca Living&reg; 170-Gram 23" Deep Pocket Flannel Sheet Set Queen Moss Green This 23" deep pocket sheet set includes one flat sheet, one fitted sheet and two pillow cases. Extra Deep Pocket Flannel Sheet Set 170-Gram. Triple-brushed for softest finish and feel and brushed on both sides. Feature double-pleated detailing along the cuff on pillowcases and flat sheet.