Number of Pieces: 4 Piece 1: Flat Sheet: 104 Inches (L) x 110 Inches (W), Quantity 1 Piece 2: Fitted Sheet: 80 Inches (L) x 78 Inches (W), Quantity 1 Piece 3: Pillow Case: 40 Inches (L) x 20 Inches (W), Quantity 2 Fabric Name: Sateen Sheet Features: 4 Corner Fitted Elastic Textile Material: 100% Cotton Includes: 2 Pillowcases, 1 Flat Sheet, 1 Fitted Sheet Thread Count: 400 Industry or Government Certifications: OEKO-TEX STANDARD 100 Fits Maximum Mattress Depth: 18 Inches OEKO-TEX Institution: HOHENSTEIN OEKO-TEX Certification Number: 18.HPK.48415 Care and Cleaning: Machine Wash, Tumble Dry