Extravagant softness derived from 100% Egyptian Cotton and 275 luxurious threads per square inch. A tight weave exposes more soft cotton to the touch, gently reflecting light to create subtle lustre. 275 thread count. 100% Egyptian Cotton. Fits mattress up to 15" thick. - -FULL SIZE- Flat Sheet- Finished size 81" x 96" -Fits mattress: 54" x 76" Fitted Sheet-Fits mattress: 54" x 76", fits mattress up to 13" deep. Two Std Pillowcases- 20" x 30" --KING SIZE- Flat Sheet- Finished size 108" x 102" -Fits mattress: 78" x 80" Deeper Fitted Sheet-Fits mattress: 78" x 80", fits mattress up to 15" deep. Two Std Pillowcases- 20" x 40" -CALI. KING SIZE- Flat Sheet- Finished size 108" x 102" -Fits mattress: 72" x 84" Deeper Fitted Sheet-Fits mattress: 72" x 84", fits mattress up to 15" deep. Two Std Pillowcases- 20" x 40" Elastic is all 4 corners and 4" hem with self piping.