College Dorm Collection 600 Thread Count 15 Inch Deep Pocket Solid (Twin XL , Elephant Grey) Fitted Sheet Fitted sheets will fit mattress up to 15 inches deep ,Elastic all around for a perfect fit The Package Contains: 1 Fitted sheet(39 x 80 inches +12 inch deep pocket)(Top surface measurement) with Fully Elastic all Around. nti shearing weave improves durability and avoids piling.Colorfast, Eco friendly dyes. Wrinkle free, stain resistant, hypoallergenic, and resistant to dust mites. Care instructions: machine washable, follow instructions on packaging for best results