Our splitâ topâ king aka flex top king hybrid bamboo sheets are finally here experience one of the most luxurious nights sleep with this bamboo-cotton blended sheet set. This excellent fabric combination is made of 60% bamboo and 40% cotton. The combination of bamboo and cotton in the making of the sheets allows for a durable breathable and divinely soft feel to the touch sheets. The sateen weave gives these bamboo-cotton blend sheets a silky shine and softness. Possessing ideal temperature regulating properties which makes them the best choice to feel cool in summer and warm in winter. the colors are contemporary with a new and updated selection of neutral tones. Dimensions splitâ topâ king adjustable sheet setsâ includes:â oneâ flat sheet measures 110 inches wide x 102 inches long â oneâ top split fitted sheet 78 inches wide x 80 inches long with 6 corner pockets to fit 18 inches deep pocket mattress andâ twoâ king pillowcases measures 20 inches wide x 40 inches long each.