New Ikea TRADKRASSULA Twin Duvet Cover + Pillowcase Bed Set White Blue 

The polyester/cotton blend is easy to care for since the fabric is less likely to shrink and crease.
Pillowcase with envelope closing.

Fabric 

 52% polyester; 48% cotton. 

100 thread count.

Includes 

1 Twin Duvet cover and 1 pillowcase.