Powerband with sheen

1. A pillowcase comprising:

a top panel;

an opposite bottom panel, the top panel having three sides that are joined with three sides of the bottom panel such that inner surfaces of the top and bottom panels that face one another define a cavity configured for disposal of a pillow, fourth sides of the top and bottom panels are not joined with one another and define an opening that is in communication with the cavity; and

a power band that extends across the opening such that a first end of the power band is permanently coupled to the top panel and an opposite second end of the power band is permanently coupled to the bottom panel, the power band including a sheen.

2. A pillowcase as recited in claim 1 , wherein the power band comprises an iridescent yarn to provide the sheen.

3. A pillowcase as recited in claim 1 , wherein the power band comprises a top surface and an opposite bottom surface, the top surface comprising an iridescent yarn to provide the sheen, the bottom surface defining a textured surface.

4. A pillowcase as recited in claim 1 , wherein the power band comprises a top surface an opposite bottom surface, the top surface comprising an iridescent yarn to provide the sheen, the top surface being smooth, the bottom surface defining a textured surface.

5. A pillowcase as recited in claim 1 , wherein the power band comprises a reinforced jacquard knit fabric.

6. A pillowcase as recited in claim 1 , wherein the power band comprises a material having a weight per meter of between about 10G and about 30G.

7. A pillowcase as recited in claim 1 , wherein the power band comprises a material having a weight per meter of between about 20G and about 35G.

8. A pillowcase as recited in claim 1 , wherein the panels are free of any flaps that extend from the fourth side of the top panel or the fourth side of the bottom panel.

9. A pillowcase as recited in claim 1 , wherein the power band comprises a material having a dimensional stability of between about 0% and about −10%.

10. A pillowcase as recited in claim 1 , wherein the power band comprises a material having a dimensional stability of between about −2.5% and about −7.5%.

11. A pillowcase as recited in claim 1 , wherein the top panel is identical to the bottom panel.

12. A pillowcase as recited in claim 1 , wherein the power band comprises polyester and latex.

13. A pillowcase as recited in claim 1 , wherein the power band comprises between about 1% and about 50% latex and between about 50% and about 99% polyester.

14. A pillowcase as recited in claim 1 , wherein the power band comprises between about 15% and about 40% latex and between about 60% and about 85% polyester.

15. A pillowcase as recited in claim 1 , wherein the power band comprises between about 20% and about 30% latex and between about 70% and about 80% polyester.

16. A pillowcase as recited in claim 1 , wherein the pillow has a maximum length defined by lengths of the panels and a maximum width defined by widths of the panels.

17. A pillowcase as recited in claim 1 , wherein the power band comprises polyester having a Denier (D) between about 100D and about 200D and yarn size containing between about 30 filaments and about 60 filaments.

18. A pillowcase as recited in claim 1 , wherein the power band comprises polyester having a Denier (D) between about 125D and about 175D and yarn size containing between about 40 filaments and about 50 filaments.

19. A pillowcase as recited in claim 1 , wherein edges of the fourth sides define a perimeter, the perimeter defining the opening, the perimeter being free of elastic material.

20. A pillowcase as recited in claim 1 , wherein the power band comprises a material having an elongation of about 100% to about 200% at a load of 5.25 kgf.