My loss is your gain ~ I bought these lovely sheets not realizing they would be a bit too large for my regular twin (that doesn’t have a box spring). 🙈 BRAND NEW, NEVER USED, simply opened! From the website: Give your bed a new look and feel with a Performance Sheet Set from Threshold. They are our most popular sheets for good reason soft, durable and easy to care for. The fresh selection of prints means there's just the right set to complement your bedding collection. Threshold™: Looks like home, feels like you. Our most popular sheet, smooth and silky sateen • 100% cotton with 400 thread count • Top and bottom labels for easy placement • Patented fit technology to stay in place and fits mattresses up to 18" • Fitted sheet includes full perimeter elastic to stay secure to your mattress • Wrinkle, pill and shrink resistant plus bleach friendly for easy care • Oeko-Tex certified for no harmful substances • Oeko-Tex Standard 100 Certification Number: 11-31820 Number of Pieces: 3 Piece 1: Flat Sheet: 101 Inches (L) x 68 Inches (W), Quantity Piece 2: Fitted Sheet: 80 Inches (L) x 39 Inches (W), Quantity 1 Piece 3: Pillow Case: 32 Inches (L) x 20 Inches (W), Quantity 1 Fabric Name: Sateen Textile Material: 100% Cotton Includes: 1 Fitted Sheet, 1 Flat Sheet, 1 Pillowcase Thread Count: 400