500 Thread Count Egyptian Cotton 6 Piece Sheet set Pocket deep 11" Inch Twin XXL White Solid (1 Fitted Sheet+1 Flat Sheet+4 Pillowcase) Package Includes: {1 Gorgeous Fitted Sheet+1 Beautiful Flat Sheet+4 Pillowcase} ! Twin XXL Measurement: { Fitted sheet 39X84" Inch Pillowcase 20X30" Inch Flat Sheet: 70X105" Inch) Made with strong, 3/8" or 3.1 cm or 31 mm elastic sewn completely around the fitted sheet for excellent fitting on mattress!! Buying Guide for Fitted sheet: In order to ensure a snug fit, you should order 3" or 8 cm more of fabric to the pocket depth of the fitted sheet. For example, if your mattress height is 10" or 25 cm the fitted sheet approximately 13" or 33 cm deep to ensure there is enough fabric to grab around the corners of the mattress.