Wilmad-LabGlass WG-1000-7 NMR Tube, disposable, 7"L, 100 MHz, 100/pk

the item includes the plastic cover?

The length of tube is 7 inches?

The item height and length in the specification is 1 inch but in the product name it says 7 inches. standard nmr tubes are 7 inches, is this 7 inches?

Do these come with caps?