Pointehaven 2-Piece 170 GSM Flannel Duvet Cover Set, Twin/Twin X-Large, Printed, Tristan 100% Cotton Imported 170 gsm/5 oz. Flannel twin/twin xl duvet set includes: 1 duvet cover and 1 sham 100-Percent cotton 170 gsm/5 oz. Fits up to 16" mattresses Twin/Twin xl duvet set includes: 1 twin/twin xl duvet cover: 68" x 86"-1 standard sham: 20" x 26" plus 2" flange